21925980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2971}}^1$

素因数の和:3027

約数の個数: 72

約数和(自身を含む): 68153904

約数和(自身を除く): 46227924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2971, 3690, 5942, 7380, 8913, 11884, 14855, 17826, 26739, 29710, 35652, 44565, 53478, 59420, 89130, 106956, 121811, 133695, 178260, 243622, 267390, 365433, 487244, 534780, 609055, 730866, 1096299, 1218110, 1461732, 1827165, 2192598, 2436220, 3654330, 4385196, 5481495, 7308660, 10962990, 21925980]

約数ペア:

[(1, 21925980), (2, 10962990), (3, 7308660), (4, 5481495), (5, 4385196), (6, 3654330), (9, 2436220), (10, 2192598), (12, 1827165), (15, 1461732), (18, 1218110), (20, 1096299), (30, 730866), (36, 609055), (41, 534780), (45, 487244), (60, 365433), (82, 267390), (90, 243622), (123, 178260), (164, 133695), (180, 121811), (205, 106956), (246, 89130), (369, 59420), (410, 53478), (492, 44565), (615, 35652), (738, 29710), (820, 26739), (1230, 17826), (1476, 14855), (1845, 11884), (2460, 8913), (2971, 7380), (3690, 5942)]