21893724

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 58290960

約数和(自身を除く): 36397236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 67, 87, 116, 134, 174, 201, 261, 268, 313, 348, 402, 522, 603, 626, 804, 939, 1044, 1206, 1252, 1878, 1943, 2412, 2817, 3756, 3886, 5634, 5829, 7772, 9077, 11268, 11658, 17487, 18154, 20971, 23316, 27231, 34974, 36308, 41942, 54462, 62913, 69948, 81693, 83884, 108924, 125826, 163386, 188739, 251652, 326772, 377478, 608159, 754956, 1216318, 1824477, 2432636, 3648954, 5473431, 7297908, 10946862, 21893724]

約数ペア:

[(1, 21893724), (2, 10946862), (3, 7297908), (4, 5473431), (6, 3648954), (9, 2432636), (12, 1824477), (18, 1216318), (29, 754956), (36, 608159), (58, 377478), (67, 326772), (87, 251652), (116, 188739), (134, 163386), (174, 125826), (201, 108924), (261, 83884), (268, 81693), (313, 69948), (348, 62913), (402, 54462), (522, 41942), (603, 36308), (626, 34974), (804, 27231), (939, 23316), (1044, 20971), (1206, 18154), (1252, 17487), (1878, 11658), (1943, 11268), (2412, 9077), (2817, 7772), (3756, 5829), (3886, 5634)]