21106150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1753

約数の個数: 48

約数和(自身を含む): 44528400

約数和(自身を除く): 23422250

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1709, 2470, 3418, 6175, 8545, 12350, 17090, 22217, 32471, 42725, 44434, 64942, 85450, 111085, 162355, 222170, 324710, 422123, 555425, 811775, 844246, 1110850, 1623550, 2110615, 4221230, 10553075, 21106150]

約数ペア:

[(1, 21106150), (2, 10553075), (5, 4221230), (10, 2110615), (13, 1623550), (19, 1110850), (25, 844246), (26, 811775), (38, 555425), (50, 422123), (65, 324710), (95, 222170), (130, 162355), (190, 111085), (247, 85450), (325, 64942), (475, 44434), (494, 42725), (650, 32471), (950, 22217), (1235, 17090), (1709, 12350), (2470, 8545), (3418, 6175)]