21323664

素因数分解:

$2^4\times 3^2\times {\mathrm{373}}^1\times {\mathrm{397}}^1$

素因数の和:784

約数の個数: 60

約数和(自身を含む): 59987356

約数和(自身を除く): 38663692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 373, 397, 746, 794, 1119, 1191, 1492, 1588, 2238, 2382, 2984, 3176, 3357, 3573, 4476, 4764, 5968, 6352, 6714, 7146, 8952, 9528, 13428, 14292, 17904, 19056, 26856, 28584, 53712, 57168, 148081, 296162, 444243, 592324, 888486, 1184648, 1332729, 1776972, 2369296, 2665458, 3553944, 5330916, 7107888, 10661832, 21323664]

約数ペア:

[(1, 21323664), (2, 10661832), (3, 7107888), (4, 5330916), (6, 3553944), (8, 2665458), (9, 2369296), (12, 1776972), (16, 1332729), (18, 1184648), (24, 888486), (36, 592324), (48, 444243), (72, 296162), (144, 148081), (373, 57168), (397, 53712), (746, 28584), (794, 26856), (1119, 19056), (1191, 17904), (1492, 14292), (1588, 13428), (2238, 9528), (2382, 8952), (2984, 7146), (3176, 6714), (3357, 6352), (3573, 5968), (4476, 4764)]