21629904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 60502080

約数和(自身を除く): 38872176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 592, 641, 703, 888, 912, 1282, 1406, 1776, 1923, 2109, 2564, 2812, 3846, 4218, 5128, 5624, 7692, 8436, 10256, 11248, 12179, 15384, 16872, 23717, 24358, 30768, 33744, 36537, 47434, 48716, 71151, 73074, 94868, 97432, 142302, 146148, 189736, 194864, 284604, 292296, 379472, 450623, 569208, 584592, 901246, 1138416, 1351869, 1802492, 2703738, 3604984, 5407476, 7209968, 10814952, 21629904]

約数ペア:

[(1, 21629904), (2, 10814952), (3, 7209968), (4, 5407476), (6, 3604984), (8, 2703738), (12, 1802492), (16, 1351869), (19, 1138416), (24, 901246), (37, 584592), (38, 569208), (48, 450623), (57, 379472), (74, 292296), (76, 284604), (111, 194864), (114, 189736), (148, 146148), (152, 142302), (222, 97432), (228, 94868), (296, 73074), (304, 71151), (444, 48716), (456, 47434), (592, 36537), (641, 33744), (703, 30768), (888, 24358), (912, 23717), (1282, 16872), (1406, 15384), (1776, 12179), (1923, 11248), (2109, 10256), (2564, 8436), (2812, 7692), (3846, 5624), (4218, 5128)]