21529584

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 67654400

約数和(自身を除く): 46124816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 43, 48, 54, 57, 61, 72, 76, 86, 108, 114, 122, 129, 144, 152, 171, 172, 183, 216, 228, 244, 258, 304, 342, 344, 366, 387, 432, 456, 488, 513, 516, 549, 684, 688, 732, 774, 817, 912, 976, 1026, 1032, 1098, 1159, 1161, 1368, 1464, 1548, 1634, 1647, 2052, 2064, 2196, 2318, 2322, 2451, 2623, 2736, 2928, 3096, 3268, 3294, 3477, 4104, 4392, 4636, 4644, 4902, 5246, 6192, 6536, 6588, 6954, 7353, 7869, 8208, 8784, 9272, 9288, 9804, 10431, 10492, 13072, 13176, 13908, 14706, 15738, 18544, 18576, 19608, 20862, 20984, 22059, 23607, 26352, 27816, 29412, 31293, 31476, 39216, 41724, 41968, 44118, 47214, 49837, 55632, 58824, 62586, 62952, 70821, 83448, 88236, 94428, 99674, 117648, 125172, 125904, 141642, 149511, 166896, 176472, 188856, 199348, 250344, 283284, 299022, 352944, 377712, 398696, 448533, 500688, 566568, 598044, 797392, 897066, 1133136, 1196088, 1345599, 1794132, 2392176, 2691198, 3588264, 5382396, 7176528, 10764792, 21529584]

約数ペア:

[(1, 21529584), (2, 10764792), (3, 7176528), (4, 5382396), (6, 3588264), (8, 2691198), (9, 2392176), (12, 1794132), (16, 1345599), (18, 1196088), (19, 1133136), (24, 897066), (27, 797392), (36, 598044), (38, 566568), (43, 500688), (48, 448533), (54, 398696), (57, 377712), (61, 352944), (72, 299022), (76, 283284), (86, 250344), (108, 199348), (114, 188856), (122, 176472), (129, 166896), (144, 149511), (152, 141642), (171, 125904), (172, 125172), (183, 117648), (216, 99674), (228, 94428), (244, 88236), (258, 83448), (304, 70821), (342, 62952), (344, 62586), (366, 58824), (387, 55632), (432, 49837), (456, 47214), (488, 44118), (513, 41968), (516, 41724), (549, 39216), (684, 31476), (688, 31293), (732, 29412), (774, 27816), (817, 26352), (912, 23607), (976, 22059), (1026, 20984), (1032, 20862), (1098, 19608), (1159, 18576), (1161, 18544), (1368, 15738), (1464, 14706), (1548, 13908), (1634, 13176), (1647, 13072), (2052, 10492), (2064, 10431), (2196, 9804), (2318, 9288), (2322, 9272), (2451, 8784), (2623, 8208), (2736, 7869), (2928, 7353), (3096, 6954), (3268, 6588), (3294, 6536), (3477, 6192), (4104, 5246), (4392, 4902), (4636, 4644)]