21210228

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15107}}^1$

素因数の和:15133

約数の個数: 48

約数和(自身を含む): 59223360

約数和(自身を除く): 38013132

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, 15107, 30214, 45321, 60428, 90642, 135963, 181284, 196391, 271926, 392782, 407889, 543852, 589173, 785564, 815778, 1178346, 1631556, 1767519, 2356692, 3535038, 5302557, 7070076, 10605114, 21210228]

約数ペア:

[(1, 21210228), (2, 10605114), (3, 7070076), (4, 5302557), (6, 3535038), (9, 2356692), (12, 1767519), (13, 1631556), (18, 1178346), (26, 815778), (27, 785564), (36, 589173), (39, 543852), (52, 407889), (54, 392782), (78, 271926), (108, 196391), (117, 181284), (156, 135963), (234, 90642), (351, 60428), (468, 45321), (702, 30214), (1404, 15107)]