21167172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 59521280

約数和(自身を除く): 38354108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1459, 1612, 2418, 2918, 3627, 4377, 4836, 5836, 7254, 8754, 13131, 14508, 17508, 18967, 26262, 37934, 45229, 52524, 56901, 75868, 90458, 113802, 135687, 170703, 180916, 227604, 271374, 341406, 407061, 542748, 587977, 682812, 814122, 1175954, 1628244, 1763931, 2351908, 3527862, 5291793, 7055724, 10583586, 21167172]

約数ペア:

[(1, 21167172), (2, 10583586), (3, 7055724), (4, 5291793), (6, 3527862), (9, 2351908), (12, 1763931), (13, 1628244), (18, 1175954), (26, 814122), (31, 682812), (36, 587977), (39, 542748), (52, 407061), (62, 341406), (78, 271374), (93, 227604), (117, 180916), (124, 170703), (156, 135687), (186, 113802), (234, 90458), (279, 75868), (372, 56901), (403, 52524), (468, 45229), (558, 37934), (806, 26262), (1116, 18967), (1209, 17508), (1459, 14508), (1612, 13131), (2418, 8754), (2918, 7254), (3627, 5836), (4377, 4836)]