21528486

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2801}}^1$

素因数の和:2877

約数の個数: 48

約数和(自身を含む): 54201888

約数和(自身を除く): 32673402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2801, 3843, 5602, 7686, 8403, 16806, 19607, 25209, 39214, 50418, 58821, 117642, 170861, 176463, 341722, 352926, 512583, 1025166, 1196027, 1537749, 2392054, 3075498, 3588081, 7176162, 10764243, 21528486]

約数ペア:

[(1, 21528486), (2, 10764243), (3, 7176162), (6, 3588081), (7, 3075498), (9, 2392054), (14, 1537749), (18, 1196027), (21, 1025166), (42, 512583), (61, 352926), (63, 341722), (122, 176463), (126, 170861), (183, 117642), (366, 58821), (427, 50418), (549, 39214), (854, 25209), (1098, 19607), (1281, 16806), (2562, 8403), (2801, 7686), (3843, 5602)]