21850650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:900

約数の個数: 72

約数和(自身を含む): 59772960

約数和(自身を除く): 37922310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 59, 75, 90, 118, 150, 177, 225, 295, 354, 450, 531, 590, 823, 885, 1062, 1475, 1646, 1770, 2469, 2655, 2950, 4115, 4425, 4938, 5310, 7407, 8230, 8850, 12345, 13275, 14814, 20575, 24690, 26550, 37035, 41150, 48557, 61725, 74070, 97114, 123450, 145671, 185175, 242785, 291342, 370350, 437013, 485570, 728355, 874026, 1213925, 1456710, 2185065, 2427850, 3641775, 4370130, 7283550, 10925325, 21850650]

約数ペア:

[(1, 21850650), (2, 10925325), (3, 7283550), (5, 4370130), (6, 3641775), (9, 2427850), (10, 2185065), (15, 1456710), (18, 1213925), (25, 874026), (30, 728355), (45, 485570), (50, 437013), (59, 370350), (75, 291342), (90, 242785), (118, 185175), (150, 145671), (177, 123450), (225, 97114), (295, 74070), (354, 61725), (450, 48557), (531, 41150), (590, 37035), (823, 26550), (885, 24690), (1062, 20575), (1475, 14814), (1646, 13275), (1770, 12345), (2469, 8850), (2655, 8230), (2950, 7407), (4115, 5310), (4425, 4938)]