21035664

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 120

約数和(自身を含む): 67230072

約数和(自身を除く): 46194408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 612, 624, 661, 663, 816, 884, 936, 1224, 1322, 1326, 1768, 1872, 1983, 1989, 2448, 2644, 2652, 3536, 3966, 3978, 5288, 5304, 5949, 7932, 7956, 8593, 10576, 10608, 11237, 11898, 15864, 15912, 17186, 22474, 23796, 25779, 31728, 31824, 33711, 34372, 44948, 47592, 51558, 67422, 68744, 77337, 89896, 95184, 101133, 103116, 134844, 137488, 146081, 154674, 179792, 202266, 206232, 269688, 292162, 309348, 404532, 412464, 438243, 539376, 584324, 618696, 809064, 876486, 1168648, 1237392, 1314729, 1618128, 1752972, 2337296, 2629458, 3505944, 5258916, 7011888, 10517832, 21035664]

約数ペア:

[(1, 21035664), (2, 10517832), (3, 7011888), (4, 5258916), (6, 3505944), (8, 2629458), (9, 2337296), (12, 1752972), (13, 1618128), (16, 1314729), (17, 1237392), (18, 1168648), (24, 876486), (26, 809064), (34, 618696), (36, 584324), (39, 539376), (48, 438243), (51, 412464), (52, 404532), (68, 309348), (72, 292162), (78, 269688), (102, 206232), (104, 202266), (117, 179792), (136, 154674), (144, 146081), (153, 137488), (156, 134844), (204, 103116), (208, 101133), (221, 95184), (234, 89896), (272, 77337), (306, 68744), (312, 67422), (408, 51558), (442, 47592), (468, 44948), (612, 34372), (624, 33711), (661, 31824), (663, 31728), (816, 25779), (884, 23796), (936, 22474), (1224, 17186), (1322, 15912), (1326, 15864), (1768, 11898), (1872, 11237), (1983, 10608), (1989, 10576), (2448, 8593), (2644, 7956), (2652, 7932), (3536, 5949), (3966, 5304), (3978, 5288)]