21195384876

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{1049}}^1\times {\mathrm{8377}}^1$

素因数の和:9503

約数の個数: 72

約数和(自身を含む): 54435217200

約数和(自身を除く): 33239832324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1049, 1206, 2098, 2412, 3147, 4196, 6294, 8377, 9441, 12588, 16754, 18882, 25131, 33508, 37764, 50262, 70283, 75393, 100524, 140566, 150786, 210849, 281132, 301572, 421698, 561259, 632547, 843396, 1122518, 1265094, 1683777, 2245036, 2530188, 3367554, 5051331, 6735108, 8787473, 10102662, 17574946, 20205324, 26362419, 35149892, 52724838, 79087257, 105449676, 158174514, 316349028, 588760691, 1177521382, 1766282073, 2355042764, 3532564146, 5298846219, 7065128292, 10597692438, 21195384876]

約数ペア:

[(1, 21195384876), (2, 10597692438), (3, 7065128292), (4, 5298846219), (6, 3532564146), (9, 2355042764), (12, 1766282073), (18, 1177521382), (36, 588760691), (67, 316349028), (134, 158174514), (201, 105449676), (268, 79087257), (402, 52724838), (603, 35149892), (804, 26362419), (1049, 20205324), (1206, 17574946), (2098, 10102662), (2412, 8787473), (3147, 6735108), (4196, 5051331), (6294, 3367554), (8377, 2530188), (9441, 2245036), (12588, 1683777), (16754, 1265094), (18882, 1122518), (25131, 843396), (33508, 632547), (37764, 561259), (50262, 421698), (70283, 301572), (75393, 281132), (100524, 210849), (140566, 150786)]