21000549948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{533063}}^1$

素因数の和:533151

約数の個数: 72

約数和(自身を含む): 57852369792

約数和(自身を除く): 36851819844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 804, 938, 1407, 1876, 2814, 3283, 5628, 6566, 9849, 13132, 19698, 39396, 533063, 1066126, 1599189, 2132252, 3198378, 3731441, 6396756, 7462882, 11194323, 14925764, 22388646, 26120087, 35715221, 44777292, 52240174, 71430442, 78360261, 104480348, 107145663, 142860884, 156720522, 214291326, 250006547, 313441044, 428582652, 500013094, 750019641, 1000026188, 1500039282, 1750045829, 3000078564, 3500091658, 5250137487, 7000183316, 10500274974, 21000549948]

約数ペア:

[(1, 21000549948), (2, 10500274974), (3, 7000183316), (4, 5250137487), (6, 3500091658), (7, 3000078564), (12, 1750045829), (14, 1500039282), (21, 1000026188), (28, 750019641), (42, 500013094), (49, 428582652), (67, 313441044), (84, 250006547), (98, 214291326), (134, 156720522), (147, 142860884), (196, 107145663), (201, 104480348), (268, 78360261), (294, 71430442), (402, 52240174), (469, 44777292), (588, 35715221), (804, 26120087), (938, 22388646), (1407, 14925764), (1876, 11194323), (2814, 7462882), (3283, 6396756), (5628, 3731441), (6566, 3198378), (9849, 2132252), (13132, 1599189), (19698, 1066126), (39396, 533063)]