21848252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 21697348

約数列:

[1, 2, 4, 19, 23, 29, 38, 46, 58, 76, 92, 116, 431, 437, 551, 667, 862, 874, 1102, 1334, 1724, 1748, 2204, 2668, 8189, 9913, 12499, 12673, 16378, 19826, 24998, 25346, 32756, 39652, 49996, 50692, 188347, 237481, 287477, 376694, 474962, 574954, 753388, 949924, 1149908, 5462063, 10924126, 21848252]

約数ペア:

[(1, 21848252), (2, 10924126), (4, 5462063), (19, 1149908), (23, 949924), (29, 753388), (38, 574954), (46, 474962), (58, 376694), (76, 287477), (92, 237481), (116, 188347), (431, 50692), (437, 49996), (551, 39652), (667, 32756), (862, 25346), (874, 24998), (1102, 19826), (1334, 16378), (1724, 12673), (1748, 12499), (2204, 9913), (2668, 8189)]