21638250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 59866560

約数和(自身を除く): 38228310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 59, 75, 90, 118, 125, 150, 163, 177, 225, 250, 295, 326, 354, 375, 450, 489, 531, 590, 750, 815, 885, 978, 1062, 1125, 1467, 1475, 1630, 1770, 2250, 2445, 2655, 2934, 2950, 4075, 4425, 4890, 5310, 7335, 7375, 8150, 8850, 9617, 12225, 13275, 14670, 14750, 19234, 20375, 22125, 24450, 26550, 28851, 36675, 40750, 44250, 48085, 57702, 61125, 66375, 73350, 86553, 96170, 122250, 132750, 144255, 173106, 183375, 240425, 288510, 366750, 432765, 480850, 721275, 865530, 1202125, 1442550, 2163825, 2404250, 3606375, 4327650, 7212750, 10819125, 21638250]

約数ペア:

[(1, 21638250), (2, 10819125), (3, 7212750), (5, 4327650), (6, 3606375), (9, 2404250), (10, 2163825), (15, 1442550), (18, 1202125), (25, 865530), (30, 721275), (45, 480850), (50, 432765), (59, 366750), (75, 288510), (90, 240425), (118, 183375), (125, 173106), (150, 144255), (163, 132750), (177, 122250), (225, 96170), (250, 86553), (295, 73350), (326, 66375), (354, 61125), (375, 57702), (450, 48085), (489, 44250), (531, 40750), (590, 36675), (750, 28851), (815, 26550), (885, 24450), (978, 22125), (1062, 20375), (1125, 19234), (1467, 14750), (1475, 14670), (1630, 13275), (1770, 12225), (2250, 9617), (2445, 8850), (2655, 8150), (2934, 7375), (2950, 7335), (4075, 5310), (4425, 4890)]