21553416

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17609}}^1$

素因数の和:17638

約数の個数: 48

約数和(自身を含む): 61811100

約数和(自身を除く): 40257684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17609, 35218, 52827, 70436, 105654, 140872, 158481, 211308, 299353, 316962, 422616, 598706, 633924, 898059, 1197412, 1267848, 1796118, 2394824, 2694177, 3592236, 5388354, 7184472, 10776708, 21553416]

約数ペア:

[(1, 21553416), (2, 10776708), (3, 7184472), (4, 5388354), (6, 3592236), (8, 2694177), (9, 2394824), (12, 1796118), (17, 1267848), (18, 1197412), (24, 898059), (34, 633924), (36, 598706), (51, 422616), (68, 316962), (72, 299353), (102, 211308), (136, 158481), (153, 140872), (204, 105654), (306, 70436), (408, 52827), (612, 35218), (1224, 17609)]