21484944

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 67704000

約数和(自身を除く): 46219056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 468, 499, 552, 598, 624, 828, 897, 936, 998, 1104, 1196, 1497, 1656, 1794, 1872, 1996, 2392, 2691, 2994, 3312, 3588, 3992, 4491, 4784, 5382, 5988, 6487, 7176, 7984, 8982, 10764, 11477, 11976, 12974, 14352, 17964, 19461, 21528, 22954, 23952, 25948, 34431, 35928, 38922, 43056, 45908, 51896, 58383, 68862, 71856, 77844, 91816, 103293, 103792, 116766, 137724, 149201, 155688, 183632, 206586, 233532, 275448, 298402, 311376, 413172, 447603, 467064, 550896, 596804, 826344, 895206, 934128, 1193608, 1342809, 1652688, 1790412, 2387216, 2685618, 3580824, 5371236, 7161648, 10742472, 21484944]

約数ペア:

[(1, 21484944), (2, 10742472), (3, 7161648), (4, 5371236), (6, 3580824), (8, 2685618), (9, 2387216), (12, 1790412), (13, 1652688), (16, 1342809), (18, 1193608), (23, 934128), (24, 895206), (26, 826344), (36, 596804), (39, 550896), (46, 467064), (48, 447603), (52, 413172), (69, 311376), (72, 298402), (78, 275448), (92, 233532), (104, 206586), (117, 183632), (138, 155688), (144, 149201), (156, 137724), (184, 116766), (207, 103792), (208, 103293), (234, 91816), (276, 77844), (299, 71856), (312, 68862), (368, 58383), (414, 51896), (468, 45908), (499, 43056), (552, 38922), (598, 35928), (624, 34431), (828, 25948), (897, 23952), (936, 22954), (998, 21528), (1104, 19461), (1196, 17964), (1497, 14352), (1656, 12974), (1794, 11976), (1872, 11477), (1996, 10764), (2392, 8982), (2691, 7984), (2994, 7176), (3312, 6487), (3588, 5988), (3992, 5382), (4491, 4784)]