21345264

素因数分解:

$2^4\times 3^2\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:894

約数の個数: 60

約数和(自身を含む): 60092136

約数和(自身を除く): 38746872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 227, 454, 653, 681, 908, 1306, 1362, 1816, 1959, 2043, 2612, 2724, 3632, 3918, 4086, 5224, 5448, 5877, 7836, 8172, 10448, 10896, 11754, 15672, 16344, 23508, 31344, 32688, 47016, 94032, 148231, 296462, 444693, 592924, 889386, 1185848, 1334079, 1778772, 2371696, 2668158, 3557544, 5336316, 7115088, 10672632, 21345264]

約数ペア:

[(1, 21345264), (2, 10672632), (3, 7115088), (4, 5336316), (6, 3557544), (8, 2668158), (9, 2371696), (12, 1778772), (16, 1334079), (18, 1185848), (24, 889386), (36, 592924), (48, 444693), (72, 296462), (144, 148231), (227, 94032), (454, 47016), (653, 32688), (681, 31344), (908, 23508), (1306, 16344), (1362, 15672), (1816, 11754), (1959, 10896), (2043, 10448), (2612, 8172), (2724, 7836), (3632, 5877), (3918, 5448), (4086, 5224)]