21447192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1297}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 58877280

約数和(自身を除く): 37430088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1297, 1378, 2067, 2594, 2756, 3891, 4134, 5188, 5512, 7782, 8268, 10376, 15564, 16536, 16861, 31128, 33722, 50583, 67444, 68741, 101166, 134888, 137482, 202332, 206223, 274964, 404664, 412446, 549928, 824892, 893633, 1649784, 1787266, 2680899, 3574532, 5361798, 7149064, 10723596, 21447192]

約数ペア:

[(1, 21447192), (2, 10723596), (3, 7149064), (4, 5361798), (6, 3574532), (8, 2680899), (12, 1787266), (13, 1649784), (24, 893633), (26, 824892), (39, 549928), (52, 412446), (53, 404664), (78, 274964), (104, 206223), (106, 202332), (156, 137482), (159, 134888), (212, 101166), (312, 68741), (318, 67444), (424, 50583), (636, 33722), (689, 31128), (1272, 16861), (1297, 16536), (1378, 15564), (2067, 10376), (2594, 8268), (2756, 7782), (3891, 5512), (4134, 5188)]