21210150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 57808800

約数和(自身を除く): 36598650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 73, 75, 78, 130, 146, 149, 150, 195, 219, 298, 325, 365, 390, 438, 447, 650, 730, 745, 894, 949, 975, 1095, 1490, 1825, 1898, 1937, 1950, 2190, 2235, 2847, 3650, 3725, 3874, 4470, 4745, 5475, 5694, 5811, 7450, 9490, 9685, 10877, 10950, 11175, 11622, 14235, 19370, 21754, 22350, 23725, 28470, 29055, 32631, 47450, 48425, 54385, 58110, 65262, 71175, 96850, 108770, 141401, 142350, 145275, 163155, 271925, 282802, 290550, 326310, 424203, 543850, 707005, 815775, 848406, 1414010, 1631550, 2121015, 3535025, 4242030, 7070050, 10605075, 21210150]

約数ペア:

[(1, 21210150), (2, 10605075), (3, 7070050), (5, 4242030), (6, 3535025), (10, 2121015), (13, 1631550), (15, 1414010), (25, 848406), (26, 815775), (30, 707005), (39, 543850), (50, 424203), (65, 326310), (73, 290550), (75, 282802), (78, 271925), (130, 163155), (146, 145275), (149, 142350), (150, 141401), (195, 108770), (219, 96850), (298, 71175), (325, 65262), (365, 58110), (390, 54385), (438, 48425), (447, 47450), (650, 32631), (730, 29055), (745, 28470), (894, 23725), (949, 22350), (975, 21754), (1095, 19370), (1490, 14235), (1825, 11622), (1898, 11175), (1937, 10950), (1950, 10877), (2190, 9685), (2235, 9490), (2847, 7450), (3650, 5811), (3725, 5694), (3874, 5475), (4470, 4745)]