21775170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 54175104

約数和(自身を除く): 32399934

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 73, 122, 146, 163, 183, 219, 305, 326, 365, 366, 438, 489, 610, 730, 815, 915, 978, 1095, 1630, 1830, 2190, 2445, 4453, 4890, 8906, 9943, 11899, 13359, 19886, 22265, 23798, 26718, 29829, 35697, 44530, 49715, 59495, 59658, 66795, 71394, 99430, 118990, 133590, 149145, 178485, 298290, 356970, 725839, 1451678, 2177517, 3629195, 4355034, 7258390, 10887585, 21775170]

約数ペア:

[(1, 21775170), (2, 10887585), (3, 7258390), (5, 4355034), (6, 3629195), (10, 2177517), (15, 1451678), (30, 725839), (61, 356970), (73, 298290), (122, 178485), (146, 149145), (163, 133590), (183, 118990), (219, 99430), (305, 71394), (326, 66795), (365, 59658), (366, 59495), (438, 49715), (489, 44530), (610, 35697), (730, 29829), (815, 26718), (915, 23798), (978, 22265), (1095, 19886), (1630, 13359), (1830, 11899), (2190, 9943), (2445, 8906), (4453, 4890)]