21276144

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2166

約数の個数: 60

約数和(自身を含む): 60411312

約数和(自身を除く): 39135168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2081, 2556, 3408, 4162, 5112, 6243, 8324, 10224, 12486, 16648, 18729, 24972, 33296, 37458, 49944, 74916, 99888, 147751, 149832, 295502, 299664, 443253, 591004, 886506, 1182008, 1329759, 1773012, 2364016, 2659518, 3546024, 5319036, 7092048, 10638072, 21276144]

約数ペア:

[(1, 21276144), (2, 10638072), (3, 7092048), (4, 5319036), (6, 3546024), (8, 2659518), (9, 2364016), (12, 1773012), (16, 1329759), (18, 1182008), (24, 886506), (36, 591004), (48, 443253), (71, 299664), (72, 295502), (142, 149832), (144, 147751), (213, 99888), (284, 74916), (426, 49944), (568, 37458), (639, 33296), (852, 24972), (1136, 18729), (1278, 16648), (1704, 12486), (2081, 10224), (2556, 8324), (3408, 6243), (4162, 5112)]