21341040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12703}}^1$

素因数の和:12726

約数の個数: 80

約数和(自身を含む): 75614208

約数和(自身を除く): 54273168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12703, 25406, 38109, 50812, 63515, 76218, 88921, 101624, 127030, 152436, 177842, 190545, 203248, 254060, 266763, 304872, 355684, 381090, 444605, 508120, 533526, 609744, 711368, 762180, 889210, 1016240, 1067052, 1333815, 1422736, 1524360, 1778420, 2134104, 2667630, 3048720, 3556840, 4268208, 5335260, 7113680, 10670520, 21341040]

約数ペア:

[(1, 21341040), (2, 10670520), (3, 7113680), (4, 5335260), (5, 4268208), (6, 3556840), (7, 3048720), (8, 2667630), (10, 2134104), (12, 1778420), (14, 1524360), (15, 1422736), (16, 1333815), (20, 1067052), (21, 1016240), (24, 889210), (28, 762180), (30, 711368), (35, 609744), (40, 533526), (42, 508120), (48, 444605), (56, 381090), (60, 355684), (70, 304872), (80, 266763), (84, 254060), (105, 203248), (112, 190545), (120, 177842), (140, 152436), (168, 127030), (210, 101624), (240, 88921), (280, 76218), (336, 63515), (420, 50812), (560, 38109), (840, 25406), (1680, 12703)]