21698430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 39265410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 41, 46, 59, 65, 69, 78, 82, 115, 118, 123, 130, 138, 177, 195, 205, 230, 246, 295, 299, 345, 354, 390, 410, 533, 590, 598, 615, 690, 767, 885, 897, 943, 1066, 1230, 1357, 1495, 1534, 1599, 1770, 1794, 1886, 2301, 2419, 2665, 2714, 2829, 2990, 3198, 3835, 4071, 4485, 4602, 4715, 4838, 5330, 5658, 6785, 7257, 7670, 7995, 8142, 8970, 9430, 11505, 12095, 12259, 13570, 14145, 14514, 15990, 17641, 20355, 23010, 24190, 24518, 28290, 31447, 35282, 36285, 36777, 40710, 52923, 55637, 61295, 62894, 72570, 73554, 88205, 94341, 105846, 111274, 122590, 157235, 166911, 176410, 183885, 188682, 264615, 278185, 314470, 333822, 367770, 471705, 529230, 556370, 723281, 834555, 943410, 1446562, 1669110, 2169843, 3616405, 4339686, 7232810, 10849215, 21698430]

約数ペア:

[(1, 21698430), (2, 10849215), (3, 7232810), (5, 4339686), (6, 3616405), (10, 2169843), (13, 1669110), (15, 1446562), (23, 943410), (26, 834555), (30, 723281), (39, 556370), (41, 529230), (46, 471705), (59, 367770), (65, 333822), (69, 314470), (78, 278185), (82, 264615), (115, 188682), (118, 183885), (123, 176410), (130, 166911), (138, 157235), (177, 122590), (195, 111274), (205, 105846), (230, 94341), (246, 88205), (295, 73554), (299, 72570), (345, 62894), (354, 61295), (390, 55637), (410, 52923), (533, 40710), (590, 36777), (598, 36285), (615, 35282), (690, 31447), (767, 28290), (885, 24518), (897, 24190), (943, 23010), (1066, 20355), (1230, 17641), (1357, 15990), (1495, 14514), (1534, 14145), (1599, 13570), (1770, 12259), (1794, 12095), (1886, 11505), (2301, 9430), (2419, 8970), (2665, 8142), (2714, 7995), (2829, 7670), (2990, 7257), (3198, 6785), (3835, 5658), (4071, 5330), (4485, 4838), (4602, 4715)]