21576390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 56996352

約数和(自身を除く): 35419962

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 151, 165, 302, 330, 433, 453, 755, 866, 906, 1299, 1510, 1661, 2165, 2265, 2598, 3322, 4330, 4530, 4763, 4983, 6495, 8305, 9526, 9966, 12990, 14289, 16610, 23815, 24915, 28578, 47630, 49830, 65383, 71445, 130766, 142890, 196149, 326915, 392298, 653830, 719213, 980745, 1438426, 1961490, 2157639, 3596065, 4315278, 7192130, 10788195, 21576390]

約数ペア:

[(1, 21576390), (2, 10788195), (3, 7192130), (5, 4315278), (6, 3596065), (10, 2157639), (11, 1961490), (15, 1438426), (22, 980745), (30, 719213), (33, 653830), (55, 392298), (66, 326915), (110, 196149), (151, 142890), (165, 130766), (302, 71445), (330, 65383), (433, 49830), (453, 47630), (755, 28578), (866, 24915), (906, 23815), (1299, 16610), (1510, 14289), (1661, 12990), (2165, 9966), (2265, 9526), (2598, 8305), (3322, 6495), (4330, 4983), (4530, 4763)]