21774055556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{2017}}^1$

素因数の和:2437

約数の個数: 96

約数和(自身を含む): 45090192000

約数和(自身を除く): 23316136444

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 349, 407, 418, 698, 703, 814, 836, 1396, 1406, 1628, 2017, 2812, 3839, 4034, 6631, 7678, 7733, 8068, 12913, 13262, 15356, 15466, 22187, 25826, 26524, 30932, 38323, 44374, 51652, 72941, 74629, 76646, 88748, 142043, 145882, 149258, 153292, 245347, 284086, 291764, 298516, 421553, 490694, 568172, 703933, 820919, 843106, 981388, 1407866, 1417951, 1641838, 1686212, 2698817, 2815732, 2835902, 3283676, 5397634, 5671804, 7743263, 10795268, 13374727, 15486526, 15597461, 26045521, 26749454, 30973052, 31194922, 52091042, 53498908, 62389844, 104182084, 147121997, 286500731, 294243994, 494864899, 573001462, 588487988, 989729798, 1146002924, 1979459596, 5443513889, 10887027778, 21774055556]

約数ペア:

[(1, 21774055556), (2, 10887027778), (4, 5443513889), (11, 1979459596), (19, 1146002924), (22, 989729798), (37, 588487988), (38, 573001462), (44, 494864899), (74, 294243994), (76, 286500731), (148, 147121997), (209, 104182084), (349, 62389844), (407, 53498908), (418, 52091042), (698, 31194922), (703, 30973052), (814, 26749454), (836, 26045521), (1396, 15597461), (1406, 15486526), (1628, 13374727), (2017, 10795268), (2812, 7743263), (3839, 5671804), (4034, 5397634), (6631, 3283676), (7678, 2835902), (7733, 2815732), (8068, 2698817), (12913, 1686212), (13262, 1641838), (15356, 1417951), (15466, 1407866), (22187, 981388), (25826, 843106), (26524, 820919), (30932, 703933), (38323, 568172), (44374, 490694), (51652, 421553), (72941, 298516), (74629, 291764), (76646, 284086), (88748, 245347), (142043, 153292), (145882, 149258)]