21744996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19913}}^1$

素因数の和:19940

約数の個数: 48

約数和(自身を含む): 62450304

約数和(自身を除く): 40705308

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19913, 39826, 59739, 79652, 119478, 139391, 238956, 258869, 278782, 418173, 517738, 557564, 776607, 836346, 1035476, 1553214, 1672692, 1812083, 3106428, 3624166, 5436249, 7248332, 10872498, 21744996]

約数ペア:

[(1, 21744996), (2, 10872498), (3, 7248332), (4, 5436249), (6, 3624166), (7, 3106428), (12, 1812083), (13, 1672692), (14, 1553214), (21, 1035476), (26, 836346), (28, 776607), (39, 557564), (42, 517738), (52, 418173), (78, 278782), (84, 258869), (91, 238956), (156, 139391), (182, 119478), (273, 79652), (364, 59739), (546, 39826), (1092, 19913)]