21596460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 44592852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 683, 930, 1020, 1054, 1366, 1581, 1860, 2049, 2108, 2635, 2732, 3162, 3415, 4098, 5270, 6324, 6830, 7905, 8196, 10245, 10540, 11611, 13660, 15810, 20490, 21173, 23222, 31620, 34833, 40980, 42346, 46444, 58055, 63519, 69666, 84692, 105865, 116110, 127038, 139332, 174165, 211730, 232220, 254076, 317595, 348330, 359941, 423460, 635190, 696660, 719882, 1079823, 1270380, 1439764, 1799705, 2159646, 3599410, 4319292, 5399115, 7198820, 10798230, 21596460]

約数ペア:

[(1, 21596460), (2, 10798230), (3, 7198820), (4, 5399115), (5, 4319292), (6, 3599410), (10, 2159646), (12, 1799705), (15, 1439764), (17, 1270380), (20, 1079823), (30, 719882), (31, 696660), (34, 635190), (51, 423460), (60, 359941), (62, 348330), (68, 317595), (85, 254076), (93, 232220), (102, 211730), (124, 174165), (155, 139332), (170, 127038), (186, 116110), (204, 105865), (255, 84692), (310, 69666), (340, 63519), (372, 58055), (465, 46444), (510, 42346), (527, 40980), (620, 34833), (683, 31620), (930, 23222), (1020, 21173), (1054, 20490), (1366, 15810), (1581, 13660), (1860, 11611), (2049, 10540), (2108, 10245), (2635, 8196), (2732, 7905), (3162, 6830), (3415, 6324), (4098, 5270)]