21732700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 53746560

約数和(自身を除く): 32013860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 859, 1012, 1100, 1150, 1265, 1718, 2300, 2530, 3436, 4295, 5060, 6325, 8590, 9449, 12650, 17180, 18898, 19757, 21475, 25300, 37796, 39514, 42950, 47245, 79028, 85900, 94490, 98785, 188980, 197570, 217327, 236225, 395140, 434654, 472450, 493925, 869308, 944900, 987850, 1086635, 1975700, 2173270, 4346540, 5433175, 10866350, 21732700]

約数ペア:

[(1, 21732700), (2, 10866350), (4, 5433175), (5, 4346540), (10, 2173270), (11, 1975700), (20, 1086635), (22, 987850), (23, 944900), (25, 869308), (44, 493925), (46, 472450), (50, 434654), (55, 395140), (92, 236225), (100, 217327), (110, 197570), (115, 188980), (220, 98785), (230, 94490), (253, 85900), (275, 79028), (460, 47245), (506, 42950), (550, 39514), (575, 37796), (859, 25300), (1012, 21475), (1100, 19757), (1150, 18898), (1265, 17180), (1718, 12650), (2300, 9449), (2530, 8590), (3436, 6325), (4295, 5060)]