21885948

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 108

約数和(自身を含む): 67845960

約数和(自身を除く): 45960012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 399, 441, 532, 588, 653, 684, 798, 882, 931, 1197, 1306, 1596, 1764, 1862, 1959, 2394, 2612, 2793, 3724, 3918, 4571, 4788, 5586, 5877, 7836, 8379, 9142, 11172, 11754, 12407, 13713, 16758, 18284, 23508, 24814, 27426, 31997, 33516, 37221, 41139, 49628, 54852, 63994, 74442, 82278, 86849, 95991, 111663, 127988, 148884, 164556, 173698, 191982, 223326, 260547, 287973, 347396, 383964, 446652, 521094, 575946, 607943, 781641, 1042188, 1151892, 1215886, 1563282, 1823829, 2431772, 3126564, 3647658, 5471487, 7295316, 10942974, 21885948]

約数ペア:

[(1, 21885948), (2, 10942974), (3, 7295316), (4, 5471487), (6, 3647658), (7, 3126564), (9, 2431772), (12, 1823829), (14, 1563282), (18, 1215886), (19, 1151892), (21, 1042188), (28, 781641), (36, 607943), (38, 575946), (42, 521094), (49, 446652), (57, 383964), (63, 347396), (76, 287973), (84, 260547), (98, 223326), (114, 191982), (126, 173698), (133, 164556), (147, 148884), (171, 127988), (196, 111663), (228, 95991), (252, 86849), (266, 82278), (294, 74442), (342, 63994), (399, 54852), (441, 49628), (532, 41139), (588, 37221), (653, 33516), (684, 31997), (798, 27426), (882, 24814), (931, 23508), (1197, 18284), (1306, 16758), (1596, 13713), (1764, 12407), (1862, 11754), (1959, 11172), (2394, 9142), (2612, 8379), (2793, 7836), (3724, 5877), (3918, 5586), (4571, 4788)]