21024200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3438

約数の個数: 48

約数和(自身を含む): 50472960

約数和(自身を除く): 29448760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3391, 6200, 6782, 13564, 16955, 27128, 33910, 67820, 84775, 105121, 135640, 169550, 210242, 339100, 420484, 525605, 678200, 840968, 1051210, 2102420, 2628025, 4204840, 5256050, 10512100, 21024200]

約数ペア:

[(1, 21024200), (2, 10512100), (4, 5256050), (5, 4204840), (8, 2628025), (10, 2102420), (20, 1051210), (25, 840968), (31, 678200), (40, 525605), (50, 420484), (62, 339100), (100, 210242), (124, 169550), (155, 135640), (200, 105121), (248, 84775), (310, 67820), (620, 33910), (775, 27128), (1240, 16955), (1550, 13564), (3100, 6782), (3391, 6200)]