21177960044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1\times {\mathrm{6203}}^1$

素因数の和:6662

約数の個数: 48

約数和(自身を含む): 39397881600

約数和(自身を除く): 18219921556

約数列:

[1, 2, 4, 19, 38, 76, 167, 269, 334, 538, 668, 1076, 3173, 5111, 6203, 6346, 10222, 12406, 12692, 20444, 24812, 44923, 89846, 117857, 179692, 235714, 471428, 853537, 1035901, 1668607, 1707074, 2071802, 3337214, 3414148, 4143604, 6674428, 19682119, 31703533, 39364238, 63407066, 78728476, 126814132, 278657369, 557314738, 1114629476, 5294490011, 10588980022, 21177960044]

約数ペア:

[(1, 21177960044), (2, 10588980022), (4, 5294490011), (19, 1114629476), (38, 557314738), (76, 278657369), (167, 126814132), (269, 78728476), (334, 63407066), (538, 39364238), (668, 31703533), (1076, 19682119), (3173, 6674428), (5111, 4143604), (6203, 3414148), (6346, 3337214), (10222, 2071802), (12406, 1707074), (12692, 1668607), (20444, 1035901), (24812, 853537), (44923, 471428), (89846, 235714), (117857, 179692)]