21298021210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1\times {\mathrm{33287}}^1$

素因数の和:33990

約数の個数: 32

約数和(自身を含む): 38755221120

約数和(自身を除く): 17457199910

約数列:

[1, 2, 5, 10, 109, 218, 545, 587, 1090, 1174, 2935, 5870, 33287, 63983, 66574, 127966, 166435, 319915, 332870, 639830, 3628283, 7256566, 18141415, 19539469, 36282830, 39078938, 97697345, 195394690, 2129802121, 4259604242, 10649010605, 21298021210]

約数ペア:

[(1, 21298021210), (2, 10649010605), (5, 4259604242), (10, 2129802121), (109, 195394690), (218, 97697345), (545, 39078938), (587, 36282830), (1090, 19539469), (1174, 18141415), (2935, 7256566), (5870, 3628283), (33287, 639830), (63983, 332870), (66574, 319915), (127966, 166435)]