21409925360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1135

約数の個数: 160

約数和(自身を含む): 52916613120

約数和(自身を除く): 31506687760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 139, 184, 194, 230, 278, 368, 388, 460, 485, 556, 695, 776, 863, 920, 970, 1112, 1390, 1552, 1726, 1840, 1940, 2224, 2231, 2780, 3197, 3452, 3880, 4315, 4462, 5560, 6394, 6904, 7760, 8630, 8924, 11120, 11155, 12788, 13483, 13808, 15985, 17260, 17848, 19849, 22310, 25576, 26966, 31970, 34520, 35696, 39698, 44620, 51152, 53932, 63940, 67415, 69040, 79396, 83711, 89240, 99245, 107864, 119957, 127880, 134830, 158792, 167422, 178480, 198490, 215728, 239914, 255760, 269660, 310109, 317584, 334844, 396980, 418555, 479828, 539320, 599785, 620218, 669688, 793960, 837110, 959656, 1078640, 1199570, 1240436, 1339376, 1550545, 1587920, 1674220, 1919312, 1925353, 2399140, 2480872, 2759011, 3101090, 3348440, 3850706, 4798280, 4961744, 5518022, 6202180, 6696880, 7701412, 9596560, 9626765, 11036044, 11635829, 12404360, 13795055, 15402824, 19253530, 22072088, 23271658, 24808720, 27590110, 30805648, 38507060, 44144176, 46543316, 55180220, 58179145, 77014120, 93086632, 110360440, 116358290, 154028240, 186173264, 220720880, 232716580, 267624067, 465433160, 535248134, 930866320, 1070496268, 1338120335, 2140992536, 2676240670, 4281985072, 5352481340, 10704962680, 21409925360]

約数ペア:

[(1, 21409925360), (2, 10704962680), (4, 5352481340), (5, 4281985072), (8, 2676240670), (10, 2140992536), (16, 1338120335), (20, 1070496268), (23, 930866320), (40, 535248134), (46, 465433160), (80, 267624067), (92, 232716580), (97, 220720880), (115, 186173264), (139, 154028240), (184, 116358290), (194, 110360440), (230, 93086632), (278, 77014120), (368, 58179145), (388, 55180220), (460, 46543316), (485, 44144176), (556, 38507060), (695, 30805648), (776, 27590110), (863, 24808720), (920, 23271658), (970, 22072088), (1112, 19253530), (1390, 15402824), (1552, 13795055), (1726, 12404360), (1840, 11635829), (1940, 11036044), (2224, 9626765), (2231, 9596560), (2780, 7701412), (3197, 6696880), (3452, 6202180), (3880, 5518022), (4315, 4961744), (4462, 4798280), (5560, 3850706), (6394, 3348440), (6904, 3101090), (7760, 2759011), (8630, 2480872), (8924, 2399140), (11120, 1925353), (11155, 1919312), (12788, 1674220), (13483, 1587920), (13808, 1550545), (15985, 1339376), (17260, 1240436), (17848, 1199570), (19849, 1078640), (22310, 959656), (25576, 837110), (26966, 793960), (31970, 669688), (34520, 620218), (35696, 599785), (39698, 539320), (44620, 479828), (51152, 418555), (53932, 396980), (63940, 334844), (67415, 317584), (69040, 310109), (79396, 269660), (83711, 255760), (89240, 239914), (99245, 215728), (107864, 198490), (119957, 178480), (127880, 167422), (134830, 158792)]