21363888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 69884416

約数和(自身を除く): 48520528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 67, 73, 78, 84, 91, 104, 112, 134, 146, 156, 168, 182, 201, 208, 219, 268, 273, 292, 312, 336, 364, 402, 438, 469, 511, 536, 546, 584, 624, 728, 804, 871, 876, 938, 949, 1022, 1072, 1092, 1168, 1407, 1456, 1533, 1608, 1742, 1752, 1876, 1898, 2044, 2184, 2613, 2814, 2847, 3066, 3216, 3484, 3504, 3752, 3796, 4088, 4368, 4891, 5226, 5628, 5694, 6097, 6132, 6643, 6968, 7504, 7592, 8176, 9782, 10452, 11256, 11388, 12194, 12264, 13286, 13936, 14673, 15184, 18291, 19564, 19929, 20904, 22512, 22776, 24388, 24528, 26572, 29346, 34237, 36582, 39128, 39858, 41808, 45552, 48776, 53144, 58692, 63583, 68474, 73164, 78256, 79716, 97552, 102711, 106288, 117384, 127166, 136948, 146328, 159432, 190749, 205422, 234768, 254332, 273896, 292656, 318864, 381498, 410844, 445081, 508664, 547792, 762996, 821688, 890162, 1017328, 1335243, 1525992, 1643376, 1780324, 2670486, 3051984, 3560648, 5340972, 7121296, 10681944, 21363888]

約数ペア:

[(1, 21363888), (2, 10681944), (3, 7121296), (4, 5340972), (6, 3560648), (7, 3051984), (8, 2670486), (12, 1780324), (13, 1643376), (14, 1525992), (16, 1335243), (21, 1017328), (24, 890162), (26, 821688), (28, 762996), (39, 547792), (42, 508664), (48, 445081), (52, 410844), (56, 381498), (67, 318864), (73, 292656), (78, 273896), (84, 254332), (91, 234768), (104, 205422), (112, 190749), (134, 159432), (146, 146328), (156, 136948), (168, 127166), (182, 117384), (201, 106288), (208, 102711), (219, 97552), (268, 79716), (273, 78256), (292, 73164), (312, 68474), (336, 63583), (364, 58692), (402, 53144), (438, 48776), (469, 45552), (511, 41808), (536, 39858), (546, 39128), (584, 36582), (624, 34237), (728, 29346), (804, 26572), (871, 24528), (876, 24388), (938, 22776), (949, 22512), (1022, 20904), (1072, 19929), (1092, 19564), (1168, 18291), (1407, 15184), (1456, 14673), (1533, 13936), (1608, 13286), (1742, 12264), (1752, 12194), (1876, 11388), (1898, 11256), (2044, 10452), (2184, 9782), (2613, 8176), (2814, 7592), (2847, 7504), (3066, 6968), (3216, 6643), (3484, 6132), (3504, 6097), (3752, 5694), (3796, 5628), (4088, 5226), (4368, 4891)]