21575176

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 49610880

約数和(自身を除く): 28035704

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 131, 136, 173, 238, 262, 346, 476, 524, 692, 917, 952, 1048, 1211, 1384, 1834, 2227, 2422, 2941, 3668, 4454, 4844, 5882, 7336, 8908, 9688, 11764, 15589, 17816, 20587, 22663, 23528, 31178, 41174, 45326, 62356, 82348, 90652, 124712, 158641, 164696, 181304, 317282, 385271, 634564, 770542, 1269128, 1541084, 2696897, 3082168, 5393794, 10787588, 21575176]

約数ペア:

[(1, 21575176), (2, 10787588), (4, 5393794), (7, 3082168), (8, 2696897), (14, 1541084), (17, 1269128), (28, 770542), (34, 634564), (56, 385271), (68, 317282), (119, 181304), (131, 164696), (136, 158641), (173, 124712), (238, 90652), (262, 82348), (346, 62356), (476, 45326), (524, 41174), (692, 31178), (917, 23528), (952, 22663), (1048, 20587), (1211, 17816), (1384, 15589), (1834, 11764), (2227, 9688), (2422, 8908), (2941, 7336), (3668, 5882), (4454, 4844)]