21669375

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 44785664

約数和(自身を除く): 23116289

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 125, 127, 175, 195, 273, 325, 375, 381, 455, 525, 625, 635, 875, 889, 975, 1365, 1625, 1651, 1875, 1905, 2275, 2625, 2667, 3175, 4375, 4445, 4875, 4953, 6825, 8125, 8255, 9525, 11375, 11557, 13125, 13335, 15875, 22225, 24375, 24765, 34125, 34671, 41275, 47625, 56875, 57785, 66675, 79375, 111125, 123825, 170625, 173355, 206375, 238125, 288925, 333375, 555625, 619125, 866775, 1031875, 1444625, 1666875, 3095625, 4333875, 7223125, 21669375]

約数ペア:

[(1, 21669375), (3, 7223125), (5, 4333875), (7, 3095625), (13, 1666875), (15, 1444625), (21, 1031875), (25, 866775), (35, 619125), (39, 555625), (65, 333375), (75, 288925), (91, 238125), (105, 206375), (125, 173355), (127, 170625), (175, 123825), (195, 111125), (273, 79375), (325, 66675), (375, 57785), (381, 56875), (455, 47625), (525, 41275), (625, 34671), (635, 34125), (875, 24765), (889, 24375), (975, 22225), (1365, 15875), (1625, 13335), (1651, 13125), (1875, 11557), (1905, 11375), (2275, 9525), (2625, 8255), (2667, 8125), (3175, 6825), (4375, 4953), (4445, 4875)]