21970896

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 59371200

約数和(自身を除く): 37400304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 89, 111, 139, 148, 178, 222, 267, 278, 296, 356, 417, 444, 534, 556, 592, 712, 834, 888, 1068, 1112, 1424, 1668, 1776, 2136, 2224, 3293, 3336, 4272, 5143, 6586, 6672, 9879, 10286, 12371, 13172, 15429, 19758, 20572, 24742, 26344, 30858, 37113, 39516, 41144, 49484, 52688, 61716, 74226, 79032, 82288, 98968, 123432, 148452, 158064, 197936, 246864, 296904, 457727, 593808, 915454, 1373181, 1830908, 2746362, 3661816, 5492724, 7323632, 10985448, 21970896]

約数ペア:

[(1, 21970896), (2, 10985448), (3, 7323632), (4, 5492724), (6, 3661816), (8, 2746362), (12, 1830908), (16, 1373181), (24, 915454), (37, 593808), (48, 457727), (74, 296904), (89, 246864), (111, 197936), (139, 158064), (148, 148452), (178, 123432), (222, 98968), (267, 82288), (278, 79032), (296, 74226), (356, 61716), (417, 52688), (444, 49484), (534, 41144), (556, 39516), (592, 37113), (712, 30858), (834, 26344), (888, 24742), (1068, 20572), (1112, 19758), (1424, 15429), (1668, 13172), (1776, 12371), (2136, 10286), (2224, 9879), (3293, 6672), (3336, 6586), (4272, 5143)]