21129870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 53581824

約数和(自身を除く): 32451954

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 113, 115, 138, 226, 230, 271, 339, 345, 542, 565, 678, 690, 813, 1130, 1355, 1626, 1695, 2599, 2710, 3390, 4065, 5198, 6233, 7797, 8130, 12466, 12995, 15594, 18699, 25990, 30623, 31165, 37398, 38985, 61246, 62330, 77970, 91869, 93495, 153115, 183738, 186990, 306230, 459345, 704329, 918690, 1408658, 2112987, 3521645, 4225974, 7043290, 10564935, 21129870]

約数ペア:

[(1, 21129870), (2, 10564935), (3, 7043290), (5, 4225974), (6, 3521645), (10, 2112987), (15, 1408658), (23, 918690), (30, 704329), (46, 459345), (69, 306230), (113, 186990), (115, 183738), (138, 153115), (226, 93495), (230, 91869), (271, 77970), (339, 62330), (345, 61246), (542, 38985), (565, 37398), (678, 31165), (690, 30623), (813, 25990), (1130, 18699), (1355, 15594), (1626, 12995), (1695, 12466), (2599, 8130), (2710, 7797), (3390, 6233), (4065, 5198)]