21229830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 57585600

約数和(自身を除く): 36355770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1289, 1647, 1830, 2578, 2745, 3294, 3867, 5490, 6445, 7734, 8235, 11601, 12890, 16470, 19335, 23202, 34803, 38670, 58005, 69606, 78629, 116010, 157258, 174015, 235887, 348030, 393145, 471774, 707661, 786290, 1179435, 1415322, 2122983, 2358870, 3538305, 4245966, 7076610, 10614915, 21229830]

約数ペア:

[(1, 21229830), (2, 10614915), (3, 7076610), (5, 4245966), (6, 3538305), (9, 2358870), (10, 2122983), (15, 1415322), (18, 1179435), (27, 786290), (30, 707661), (45, 471774), (54, 393145), (61, 348030), (90, 235887), (122, 174015), (135, 157258), (183, 116010), (270, 78629), (305, 69606), (366, 58005), (549, 38670), (610, 34803), (915, 23202), (1098, 19335), (1289, 16470), (1647, 12890), (1830, 11601), (2578, 8235), (2745, 7734), (3294, 6445), (3867, 5490)]