21775320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8641}}^1$

素因数の和:8665

約数の個数: 96

約数和(自身を含む): 80889120

約数和(自身を除く): 59113800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8641, 17282, 25923, 34564, 43205, 51846, 60487, 69128, 77769, 86410, 103692, 120974, 129615, 155538, 172820, 181461, 207384, 241948, 259230, 302435, 311076, 345640, 362922, 388845, 483896, 518460, 544383, 604870, 622152, 725844, 777690, 907305, 1036920, 1088766, 1209740, 1451688, 1555380, 1814610, 2177532, 2419480, 2721915, 3110760, 3629220, 4355064, 5443830, 7258440, 10887660, 21775320]

約数ペア:

[(1, 21775320), (2, 10887660), (3, 7258440), (4, 5443830), (5, 4355064), (6, 3629220), (7, 3110760), (8, 2721915), (9, 2419480), (10, 2177532), (12, 1814610), (14, 1555380), (15, 1451688), (18, 1209740), (20, 1088766), (21, 1036920), (24, 907305), (28, 777690), (30, 725844), (35, 622152), (36, 604870), (40, 544383), (42, 518460), (45, 483896), (56, 388845), (60, 362922), (63, 345640), (70, 311076), (72, 302435), (84, 259230), (90, 241948), (105, 207384), (120, 181461), (126, 172820), (140, 155538), (168, 129615), (180, 120974), (210, 103692), (252, 86410), (280, 77769), (315, 69128), (360, 60487), (420, 51846), (504, 43205), (630, 34564), (840, 25923), (1260, 17282), (2520, 8641)]