21295680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3169}}^1$

素因数の和:3196

約数の個数: 112

約数和(自身を含む): 77297280

約数和(自身を除く): 56001600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3169, 3360, 6338, 6720, 9507, 12676, 15845, 19014, 22183, 25352, 31690, 38028, 44366, 47535, 50704, 63380, 66549, 76056, 88732, 95070, 101408, 110915, 126760, 133098, 152112, 177464, 190140, 202816, 221830, 253520, 266196, 304224, 332745, 354928, 380280, 443660, 507040, 532392, 608448, 665490, 709856, 760560, 887320, 1014080, 1064784, 1330980, 1419712, 1521120, 1774640, 2129568, 2661960, 3042240, 3549280, 4259136, 5323920, 7098560, 10647840, 21295680]

約数ペア:

[(1, 21295680), (2, 10647840), (3, 7098560), (4, 5323920), (5, 4259136), (6, 3549280), (7, 3042240), (8, 2661960), (10, 2129568), (12, 1774640), (14, 1521120), (15, 1419712), (16, 1330980), (20, 1064784), (21, 1014080), (24, 887320), (28, 760560), (30, 709856), (32, 665490), (35, 608448), (40, 532392), (42, 507040), (48, 443660), (56, 380280), (60, 354928), (64, 332745), (70, 304224), (80, 266196), (84, 253520), (96, 221830), (105, 202816), (112, 190140), (120, 177464), (140, 152112), (160, 133098), (168, 126760), (192, 110915), (210, 101408), (224, 95070), (240, 88732), (280, 76056), (320, 66549), (336, 63380), (420, 50704), (448, 47535), (480, 44366), (560, 38028), (672, 31690), (840, 25352), (960, 22183), (1120, 19014), (1344, 15845), (1680, 12676), (2240, 9507), (3169, 6720), (3360, 6338)]