21912228

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15607}}^1$

素因数の和:15633

約数の個数: 48

約数和(自身を含む): 61183360

約数和(自身を除く): 39271132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15607, 31214, 46821, 62428, 93642, 140463, 187284, 202891, 280926, 405782, 421389, 561852, 608673, 811564, 842778, 1217346, 1685556, 1826019, 2434692, 3652038, 5478057, 7304076, 10956114, 21912228]

約数ペア:

[(1, 21912228), (2, 10956114), (3, 7304076), (4, 5478057), (6, 3652038), (9, 2434692), (12, 1826019), (13, 1685556), (18, 1217346), (26, 842778), (27, 811564), (36, 608673), (39, 561852), (52, 421389), (54, 405782), (78, 280926), (108, 202891), (117, 187284), (156, 140463), (234, 93642), (351, 62428), (468, 46821), (702, 31214), (1404, 15607)]