21494016

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 108

約数和(自身を含む): 65367120

約数和(自身を除く): 43873104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 491, 576, 608, 684, 768, 912, 982, 1152, 1216, 1368, 1473, 1824, 1964, 2304, 2432, 2736, 2946, 3648, 3928, 4419, 4864, 5472, 5892, 7296, 7856, 8838, 9329, 10944, 11784, 14592, 15712, 17676, 18658, 21888, 23568, 27987, 31424, 35352, 37316, 43776, 47136, 55974, 62848, 70704, 74632, 83961, 94272, 111948, 125696, 141408, 149264, 167922, 188544, 223896, 282816, 298528, 335844, 377088, 447792, 565632, 597056, 671688, 895584, 1131264, 1194112, 1343376, 1791168, 2388224, 2686752, 3582336, 5373504, 7164672, 10747008, 21494016]

約数ペア:

[(1, 21494016), (2, 10747008), (3, 7164672), (4, 5373504), (6, 3582336), (8, 2686752), (9, 2388224), (12, 1791168), (16, 1343376), (18, 1194112), (19, 1131264), (24, 895584), (32, 671688), (36, 597056), (38, 565632), (48, 447792), (57, 377088), (64, 335844), (72, 298528), (76, 282816), (96, 223896), (114, 188544), (128, 167922), (144, 149264), (152, 141408), (171, 125696), (192, 111948), (228, 94272), (256, 83961), (288, 74632), (304, 70704), (342, 62848), (384, 55974), (456, 47136), (491, 43776), (576, 37316), (608, 35352), (684, 31424), (768, 27987), (912, 23568), (982, 21888), (1152, 18658), (1216, 17676), (1368, 15712), (1473, 14592), (1824, 11784), (1964, 10944), (2304, 9329), (2432, 8838), (2736, 7856), (2946, 7296), (3648, 5892), (3928, 5472), (4419, 4864)]