21791428620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{57367}}^1$

素因数の和:57879

約数の個数: 96

約数和(自身を含む): 65845613568

約数和(自身を除く): 44054184948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 487, 780, 974, 1461, 1948, 2435, 2922, 4870, 5844, 6331, 7305, 9740, 12662, 14610, 18993, 25324, 29220, 31655, 37986, 57367, 63310, 75972, 94965, 114734, 126620, 172101, 189930, 229468, 286835, 344202, 379860, 573670, 688404, 745771, 860505, 1147340, 1491542, 1721010, 2237313, 2983084, 3442020, 3728855, 4474626, 7457710, 8949252, 11186565, 14915420, 22373130, 27937729, 44746260, 55875458, 83813187, 111750916, 139688645, 167626374, 279377290, 335252748, 363190477, 419065935, 558754580, 726380954, 838131870, 1089571431, 1452761908, 1676263740, 1815952385, 2179142862, 3631904770, 4358285724, 5447857155, 7263809540, 10895714310, 21791428620]

約数ペア:

[(1, 21791428620), (2, 10895714310), (3, 7263809540), (4, 5447857155), (5, 4358285724), (6, 3631904770), (10, 2179142862), (12, 1815952385), (13, 1676263740), (15, 1452761908), (20, 1089571431), (26, 838131870), (30, 726380954), (39, 558754580), (52, 419065935), (60, 363190477), (65, 335252748), (78, 279377290), (130, 167626374), (156, 139688645), (195, 111750916), (260, 83813187), (390, 55875458), (487, 44746260), (780, 27937729), (974, 22373130), (1461, 14915420), (1948, 11186565), (2435, 8949252), (2922, 7457710), (4870, 4474626), (5844, 3728855), (6331, 3442020), (7305, 2983084), (9740, 2237313), (12662, 1721010), (14610, 1491542), (18993, 1147340), (25324, 860505), (29220, 745771), (31655, 688404), (37986, 573670), (57367, 379860), (63310, 344202), (75972, 286835), (94965, 229468), (114734, 189930), (126620, 172101)]