21507506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 13873294

約数列:

[1, 2, 19, 38, 53, 59, 106, 118, 181, 362, 1007, 1121, 2014, 2242, 3127, 3439, 6254, 6878, 9593, 10679, 19186, 21358, 59413, 118826, 182267, 202901, 364534, 405802, 565987, 1131974, 10753753, 21507506]

約数ペア:

[(1, 21507506), (2, 10753753), (19, 1131974), (38, 565987), (53, 405802), (59, 364534), (106, 202901), (118, 182267), (181, 118826), (362, 59413), (1007, 21358), (1121, 19186), (2014, 10679), (2242, 9593), (3127, 6878), (3439, 6254)]