21550356

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 60225984

約数和(自身を除く): 38675628

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 612, 782, 828, 1173, 1531, 1564, 2346, 3062, 3519, 4593, 4692, 6124, 7038, 9186, 13779, 14076, 18372, 26027, 27558, 35213, 52054, 55116, 70426, 78081, 104108, 105639, 140852, 156162, 211278, 234243, 312324, 316917, 422556, 468486, 598621, 633834, 936972, 1197242, 1267668, 1795863, 2394484, 3591726, 5387589, 7183452, 10775178, 21550356]

約数ペア:

[(1, 21550356), (2, 10775178), (3, 7183452), (4, 5387589), (6, 3591726), (9, 2394484), (12, 1795863), (17, 1267668), (18, 1197242), (23, 936972), (34, 633834), (36, 598621), (46, 468486), (51, 422556), (68, 316917), (69, 312324), (92, 234243), (102, 211278), (138, 156162), (153, 140852), (204, 105639), (207, 104108), (276, 78081), (306, 70426), (391, 55116), (414, 52054), (612, 35213), (782, 27558), (828, 26027), (1173, 18372), (1531, 14076), (1564, 13779), (2346, 9186), (3062, 7038), (3519, 6124), (4593, 4692)]