21434640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 71233536

約数和(自身を除く): 49798896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 67, 80, 86, 93, 120, 124, 129, 134, 155, 172, 186, 201, 215, 240, 248, 258, 268, 310, 335, 344, 372, 402, 430, 465, 496, 516, 536, 620, 645, 670, 688, 744, 804, 860, 930, 1005, 1032, 1072, 1240, 1290, 1333, 1340, 1488, 1608, 1720, 1860, 2010, 2064, 2077, 2480, 2580, 2666, 2680, 2881, 3216, 3440, 3720, 3999, 4020, 4154, 5160, 5332, 5360, 5762, 6231, 6665, 7440, 7998, 8040, 8308, 8643, 10320, 10385, 10664, 11524, 12462, 13330, 14405, 15996, 16080, 16616, 17286, 19995, 20770, 21328, 23048, 24924, 26660, 28810, 31155, 31992, 33232, 34572, 39990, 41540, 43215, 46096, 49848, 53320, 57620, 62310, 63984, 69144, 79980, 83080, 86430, 89311, 99696, 106640, 115240, 124620, 138288, 159960, 166160, 172860, 178622, 230480, 249240, 267933, 319920, 345720, 357244, 446555, 498480, 535866, 691440, 714488, 893110, 1071732, 1339665, 1428976, 1786220, 2143464, 2679330, 3572440, 4286928, 5358660, 7144880, 10717320, 21434640]

約数ペア:

[(1, 21434640), (2, 10717320), (3, 7144880), (4, 5358660), (5, 4286928), (6, 3572440), (8, 2679330), (10, 2143464), (12, 1786220), (15, 1428976), (16, 1339665), (20, 1071732), (24, 893110), (30, 714488), (31, 691440), (40, 535866), (43, 498480), (48, 446555), (60, 357244), (62, 345720), (67, 319920), (80, 267933), (86, 249240), (93, 230480), (120, 178622), (124, 172860), (129, 166160), (134, 159960), (155, 138288), (172, 124620), (186, 115240), (201, 106640), (215, 99696), (240, 89311), (248, 86430), (258, 83080), (268, 79980), (310, 69144), (335, 63984), (344, 62310), (372, 57620), (402, 53320), (430, 49848), (465, 46096), (496, 43215), (516, 41540), (536, 39990), (620, 34572), (645, 33232), (670, 31992), (688, 31155), (744, 28810), (804, 26660), (860, 24924), (930, 23048), (1005, 21328), (1032, 20770), (1072, 19995), (1240, 17286), (1290, 16616), (1333, 16080), (1340, 15996), (1488, 14405), (1608, 13330), (1720, 12462), (1860, 11524), (2010, 10664), (2064, 10385), (2077, 10320), (2480, 8643), (2580, 8308), (2666, 8040), (2680, 7998), (2881, 7440), (3216, 6665), (3440, 6231), (3720, 5762), (3999, 5360), (4020, 5332), (4154, 5160)]