21260970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10271}}^1$

素因数の和:10307

約数の個数: 48

約数和(自身を含む): 57687552

約数和(自身を除く): 36426582

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10271, 20542, 30813, 51355, 61626, 92439, 102710, 154065, 184878, 236233, 308130, 462195, 472466, 708699, 924390, 1181165, 1417398, 2126097, 2362330, 3543495, 4252194, 7086990, 10630485, 21260970]

約数ペア:

[(1, 21260970), (2, 10630485), (3, 7086990), (5, 4252194), (6, 3543495), (9, 2362330), (10, 2126097), (15, 1417398), (18, 1181165), (23, 924390), (30, 708699), (45, 472466), (46, 462195), (69, 308130), (90, 236233), (115, 184878), (138, 154065), (207, 102710), (230, 92439), (345, 61626), (414, 51355), (690, 30813), (1035, 20542), (2070, 10271)]