21000481196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{53231}}^1$

素因数の和:53462

約数の個数: 48

約数和(自身を含む): 40243392000

約数和(自身を除く): 19242910804

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 179, 358, 551, 716, 1102, 2204, 3401, 5191, 6802, 10382, 13604, 20764, 53231, 98629, 106462, 197258, 212924, 394516, 1011389, 1543699, 2022778, 3087398, 4045556, 6174796, 9528349, 19056698, 29330281, 38113396, 58660562, 117321124, 181038631, 276322121, 362077262, 552644242, 724154524, 1105288484, 5250120299, 10500240598, 21000481196]

約数ペア:

[(1, 21000481196), (2, 10500240598), (4, 5250120299), (19, 1105288484), (29, 724154524), (38, 552644242), (58, 362077262), (76, 276322121), (116, 181038631), (179, 117321124), (358, 58660562), (551, 38113396), (716, 29330281), (1102, 19056698), (2204, 9528349), (3401, 6174796), (5191, 4045556), (6802, 3087398), (10382, 2022778), (13604, 1543699), (20764, 1011389), (53231, 394516), (98629, 212924), (106462, 197258)]