21562416

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 67852800

約数和(自身を除く): 46290384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 37, 38, 48, 54, 57, 71, 72, 74, 76, 108, 111, 114, 142, 144, 148, 152, 171, 213, 216, 222, 228, 284, 296, 304, 333, 342, 426, 432, 444, 456, 513, 568, 592, 639, 666, 684, 703, 852, 888, 912, 999, 1026, 1136, 1278, 1332, 1349, 1368, 1406, 1704, 1776, 1917, 1998, 2052, 2109, 2556, 2627, 2664, 2698, 2736, 2812, 3408, 3834, 3996, 4047, 4104, 4218, 5112, 5254, 5328, 5396, 5624, 6327, 7668, 7881, 7992, 8094, 8208, 8436, 10224, 10508, 10792, 11248, 12141, 12654, 15336, 15762, 15984, 16188, 16872, 18981, 21016, 21584, 23643, 24282, 25308, 30672, 31524, 32376, 33744, 36423, 37962, 42032, 47286, 48564, 49913, 50616, 63048, 64752, 70929, 72846, 75924, 94572, 97128, 99826, 101232, 126096, 141858, 145692, 149739, 151848, 189144, 194256, 199652, 283716, 291384, 299478, 303696, 378288, 399304, 449217, 567432, 582768, 598956, 798608, 898434, 1134864, 1197912, 1347651, 1796868, 2395824, 2695302, 3593736, 5390604, 7187472, 10781208, 21562416]

約数ペア:

[(1, 21562416), (2, 10781208), (3, 7187472), (4, 5390604), (6, 3593736), (8, 2695302), (9, 2395824), (12, 1796868), (16, 1347651), (18, 1197912), (19, 1134864), (24, 898434), (27, 798608), (36, 598956), (37, 582768), (38, 567432), (48, 449217), (54, 399304), (57, 378288), (71, 303696), (72, 299478), (74, 291384), (76, 283716), (108, 199652), (111, 194256), (114, 189144), (142, 151848), (144, 149739), (148, 145692), (152, 141858), (171, 126096), (213, 101232), (216, 99826), (222, 97128), (228, 94572), (284, 75924), (296, 72846), (304, 70929), (333, 64752), (342, 63048), (426, 50616), (432, 49913), (444, 48564), (456, 47286), (513, 42032), (568, 37962), (592, 36423), (639, 33744), (666, 32376), (684, 31524), (703, 30672), (852, 25308), (888, 24282), (912, 23643), (999, 21584), (1026, 21016), (1136, 18981), (1278, 16872), (1332, 16188), (1349, 15984), (1368, 15762), (1406, 15336), (1704, 12654), (1776, 12141), (1917, 11248), (1998, 10792), (2052, 10508), (2109, 10224), (2556, 8436), (2627, 8208), (2664, 8094), (2698, 7992), (2736, 7881), (2812, 7668), (3408, 6327), (3834, 5624), (3996, 5396), (4047, 5328), (4104, 5254), (4218, 5112)]