21896316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 108

約数和(自身を含む): 61949160

約数和(自身を除く): 40052844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 59, 61, 78, 117, 118, 122, 156, 169, 177, 183, 234, 236, 244, 338, 354, 366, 468, 507, 531, 549, 676, 708, 732, 767, 793, 1014, 1062, 1098, 1521, 1534, 1586, 2028, 2124, 2196, 2301, 2379, 3042, 3068, 3172, 3599, 4602, 4758, 6084, 6903, 7137, 7198, 9204, 9516, 9971, 10309, 10797, 13806, 14274, 14396, 19942, 20618, 21594, 27612, 28548, 29913, 30927, 32391, 39884, 41236, 43188, 46787, 59826, 61854, 64782, 89739, 92781, 93574, 119652, 123708, 129564, 140361, 179478, 185562, 187148, 280722, 358956, 371124, 421083, 561444, 608231, 842166, 1216462, 1684332, 1824693, 2432924, 3649386, 5474079, 7298772, 10948158, 21896316]

約数ペア:

[(1, 21896316), (2, 10948158), (3, 7298772), (4, 5474079), (6, 3649386), (9, 2432924), (12, 1824693), (13, 1684332), (18, 1216462), (26, 842166), (36, 608231), (39, 561444), (52, 421083), (59, 371124), (61, 358956), (78, 280722), (117, 187148), (118, 185562), (122, 179478), (156, 140361), (169, 129564), (177, 123708), (183, 119652), (234, 93574), (236, 92781), (244, 89739), (338, 64782), (354, 61854), (366, 59826), (468, 46787), (507, 43188), (531, 41236), (549, 39884), (676, 32391), (708, 30927), (732, 29913), (767, 28548), (793, 27612), (1014, 21594), (1062, 20618), (1098, 19942), (1521, 14396), (1534, 14274), (1586, 13806), (2028, 10797), (2124, 10309), (2196, 9971), (2301, 9516), (2379, 9204), (3042, 7198), (3068, 7137), (3172, 6903), (3599, 6084), (4602, 4758)]