21442850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2999}}^1$

素因数の和:3035

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 25429150

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2999, 3575, 5998, 7150, 14995, 29990, 32989, 38987, 65978, 74975, 77974, 149950, 164945, 194935, 329890, 389870, 428857, 824725, 857714, 974675, 1649450, 1949350, 2144285, 4288570, 10721425, 21442850]

約数ペア:

[(1, 21442850), (2, 10721425), (5, 4288570), (10, 2144285), (11, 1949350), (13, 1649450), (22, 974675), (25, 857714), (26, 824725), (50, 428857), (55, 389870), (65, 329890), (110, 194935), (130, 164945), (143, 149950), (275, 77974), (286, 74975), (325, 65978), (550, 38987), (650, 32989), (715, 29990), (1430, 14995), (2999, 7150), (3575, 5998)]