21316680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1$

素因数の和:804

約数の個数: 192

約数和(自身を含む): 86486400

約数和(自身を除く): 65169720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 769, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1538, 1540, 1848, 1980, 2307, 2310, 2520, 2772, 3076, 3080, 3465, 3845, 3960, 4614, 4620, 5383, 5544, 6152, 6921, 6930, 7690, 8459, 9228, 9240, 10766, 11535, 13842, 13860, 15380, 16149, 16918, 18456, 21532, 23070, 25377, 26915, 27684, 27720, 30760, 32298, 33836, 34605, 42295, 43064, 46140, 48447, 50754, 53830, 55368, 59213, 64596, 67672, 69210, 76131, 80745, 84590, 92280, 96894, 101508, 107660, 118426, 126885, 129192, 138420, 152262, 161490, 169180, 177639, 193788, 203016, 215320, 236852, 242235, 253770, 276840, 296065, 304524, 322980, 338360, 355278, 380655, 387576, 473704, 484470, 507540, 532917, 592130, 609048, 645960, 710556, 761310, 888195, 968940, 1015080, 1065834, 1184260, 1421112, 1522620, 1776390, 1937880, 2131668, 2368520, 2664585, 3045240, 3552780, 4263336, 5329170, 7105560, 10658340, 21316680]

約数ペア:

[(1, 21316680), (2, 10658340), (3, 7105560), (4, 5329170), (5, 4263336), (6, 3552780), (7, 3045240), (8, 2664585), (9, 2368520), (10, 2131668), (11, 1937880), (12, 1776390), (14, 1522620), (15, 1421112), (18, 1184260), (20, 1065834), (21, 1015080), (22, 968940), (24, 888195), (28, 761310), (30, 710556), (33, 645960), (35, 609048), (36, 592130), (40, 532917), (42, 507540), (44, 484470), (45, 473704), (55, 387576), (56, 380655), (60, 355278), (63, 338360), (66, 322980), (70, 304524), (72, 296065), (77, 276840), (84, 253770), (88, 242235), (90, 236852), (99, 215320), (105, 203016), (110, 193788), (120, 177639), (126, 169180), (132, 161490), (140, 152262), (154, 138420), (165, 129192), (168, 126885), (180, 118426), (198, 107660), (210, 101508), (220, 96894), (231, 92280), (252, 84590), (264, 80745), (280, 76131), (308, 69210), (315, 67672), (330, 64596), (360, 59213), (385, 55368), (396, 53830), (420, 50754), (440, 48447), (462, 46140), (495, 43064), (504, 42295), (616, 34605), (630, 33836), (660, 32298), (693, 30760), (769, 27720), (770, 27684), (792, 26915), (840, 25377), (924, 23070), (990, 21532), (1155, 18456), (1260, 16918), (1320, 16149), (1386, 15380), (1538, 13860), (1540, 13842), (1848, 11535), (1980, 10766), (2307, 9240), (2310, 9228), (2520, 8459), (2772, 7690), (3076, 6930), (3080, 6921), (3465, 6152), (3845, 5544), (3960, 5383), (4614, 4620)]