21879132

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 56391552

約数和(自身を除く): 34512420

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 83, 132, 166, 249, 332, 498, 913, 996, 1826, 1997, 2739, 3652, 3994, 5478, 5991, 7988, 10956, 11982, 21967, 23964, 43934, 65901, 87868, 131802, 165751, 263604, 331502, 497253, 663004, 994506, 1823261, 1989012, 3646522, 5469783, 7293044, 10939566, 21879132]

約数ペア:

[(1, 21879132), (2, 10939566), (3, 7293044), (4, 5469783), (6, 3646522), (11, 1989012), (12, 1823261), (22, 994506), (33, 663004), (44, 497253), (66, 331502), (83, 263604), (132, 165751), (166, 131802), (249, 87868), (332, 65901), (498, 43934), (913, 23964), (996, 21967), (1826, 11982), (1997, 10956), (2739, 7988), (3652, 5991), (3994, 5478)]