21314358

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1153}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 50406720

約数和(自身を除く): 29092362

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1153, 1422, 2054, 2306, 3081, 3459, 6162, 6918, 9243, 10377, 14989, 18486, 20754, 29978, 44967, 89934, 91087, 134901, 182174, 269802, 273261, 546522, 819783, 1184131, 1639566, 2368262, 3552393, 7104786, 10657179, 21314358]

約数ペア:

[(1, 21314358), (2, 10657179), (3, 7104786), (6, 3552393), (9, 2368262), (13, 1639566), (18, 1184131), (26, 819783), (39, 546522), (78, 273261), (79, 269802), (117, 182174), (158, 134901), (234, 91087), (237, 89934), (474, 44967), (711, 29978), (1027, 20754), (1153, 18486), (1422, 14989), (2054, 10377), (2306, 9243), (3081, 6918), (3459, 6162)]