21000992144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:673

約数の個数: 160

約数和(自身を含む): 47581776000

約数和(自身を除く): 26580783856

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 113, 149, 152, 176, 209, 226, 298, 304, 373, 418, 452, 596, 746, 836, 904, 1192, 1243, 1492, 1639, 1672, 1808, 2147, 2384, 2486, 2831, 2984, 3278, 3344, 4103, 4294, 4972, 5662, 5968, 6556, 7087, 8206, 8588, 9944, 11324, 13112, 14174, 16412, 16837, 17176, 19888, 22648, 23617, 26224, 28348, 31141, 32824, 33674, 34352, 42149, 45296, 47234, 55577, 56696, 62282, 65648, 67348, 77957, 84298, 94468, 111154, 113392, 124564, 134696, 155914, 168596, 185207, 188936, 222308, 249128, 269392, 311828, 319903, 337192, 370414, 377872, 444616, 463639, 498256, 611347, 623656, 639806, 674384, 740828, 800831, 889232, 927278, 1055963, 1222694, 1247312, 1279612, 1481656, 1601662, 1854556, 2111926, 2445388, 2559224, 2963312, 3203324, 3518933, 3709112, 4223852, 4890776, 5118448, 6280201, 6406648, 7037866, 7418224, 8447704, 8809141, 9781552, 11615593, 12560402, 12813296, 14075732, 16895408, 17618282, 23231186, 25120804, 28151464, 35236564, 46462372, 50241608, 56302928, 69082211, 70473128, 92924744, 100483216, 119323819, 138164422, 140946256, 185849488, 238647638, 276328844, 477295276, 552657688, 954590552, 1105315376, 1312562009, 1909181104, 2625124018, 5250248036, 10500496072, 21000992144]

約数ペア:

[(1, 21000992144), (2, 10500496072), (4, 5250248036), (8, 2625124018), (11, 1909181104), (16, 1312562009), (19, 1105315376), (22, 954590552), (38, 552657688), (44, 477295276), (76, 276328844), (88, 238647638), (113, 185849488), (149, 140946256), (152, 138164422), (176, 119323819), (209, 100483216), (226, 92924744), (298, 70473128), (304, 69082211), (373, 56302928), (418, 50241608), (452, 46462372), (596, 35236564), (746, 28151464), (836, 25120804), (904, 23231186), (1192, 17618282), (1243, 16895408), (1492, 14075732), (1639, 12813296), (1672, 12560402), (1808, 11615593), (2147, 9781552), (2384, 8809141), (2486, 8447704), (2831, 7418224), (2984, 7037866), (3278, 6406648), (3344, 6280201), (4103, 5118448), (4294, 4890776), (4972, 4223852), (5662, 3709112), (5968, 3518933), (6556, 3203324), (7087, 2963312), (8206, 2559224), (8588, 2445388), (9944, 2111926), (11324, 1854556), (13112, 1601662), (14174, 1481656), (16412, 1279612), (16837, 1247312), (17176, 1222694), (19888, 1055963), (22648, 927278), (23617, 889232), (26224, 800831), (28348, 740828), (31141, 674384), (32824, 639806), (33674, 623656), (34352, 611347), (42149, 498256), (45296, 463639), (47234, 444616), (55577, 377872), (56696, 370414), (62282, 337192), (65648, 319903), (67348, 311828), (77957, 269392), (84298, 249128), (94468, 222308), (111154, 188936), (113392, 185207), (124564, 168596), (134696, 155914)]