21418290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3449}}^1$

素因数の和:3488

約数の個数: 64

約数和(自身を含む): 59616000

約数和(自身を除く): 38197710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 3449, 6210, 6898, 10347, 17245, 20694, 31041, 34490, 51735, 62082, 79327, 93123, 103470, 155205, 158654, 186246, 237981, 310410, 396635, 465615, 475962, 713943, 793270, 931230, 1189905, 1427886, 2141829, 2379810, 3569715, 4283658, 7139430, 10709145, 21418290]

約数ペア:

[(1, 21418290), (2, 10709145), (3, 7139430), (5, 4283658), (6, 3569715), (9, 2379810), (10, 2141829), (15, 1427886), (18, 1189905), (23, 931230), (27, 793270), (30, 713943), (45, 475962), (46, 465615), (54, 396635), (69, 310410), (90, 237981), (115, 186246), (135, 158654), (138, 155205), (207, 103470), (230, 93123), (270, 79327), (345, 62082), (414, 51735), (621, 34490), (690, 31041), (1035, 20694), (1242, 17245), (2070, 10347), (3105, 6898), (3449, 6210)]