21227730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 54587520

約数和(自身を除く): 33359790

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 107, 170, 214, 255, 321, 389, 510, 535, 642, 778, 1070, 1167, 1605, 1819, 1945, 2334, 3210, 3638, 3890, 5457, 5835, 6613, 9095, 10914, 11670, 13226, 18190, 19839, 27285, 33065, 39678, 41623, 54570, 66130, 83246, 99195, 124869, 198390, 208115, 249738, 416230, 624345, 707591, 1248690, 1415182, 2122773, 3537955, 4245546, 7075910, 10613865, 21227730]

約数ペア:

[(1, 21227730), (2, 10613865), (3, 7075910), (5, 4245546), (6, 3537955), (10, 2122773), (15, 1415182), (17, 1248690), (30, 707591), (34, 624345), (51, 416230), (85, 249738), (102, 208115), (107, 198390), (170, 124869), (214, 99195), (255, 83246), (321, 66130), (389, 54570), (510, 41623), (535, 39678), (642, 33065), (778, 27285), (1070, 19839), (1167, 18190), (1605, 13226), (1819, 11670), (1945, 10914), (2334, 9095), (3210, 6613), (3638, 5835), (3890, 5457)]