21320832

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4271}}^1$

素因数の和:4301

約数の個数: 64

約数和(自身を含む): 61004160

約数和(自身を除く): 39683328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4271, 4992, 8542, 12813, 17084, 25626, 34168, 51252, 55523, 68336, 102504, 111046, 136672, 166569, 205008, 222092, 273344, 333138, 410016, 444184, 546688, 666276, 820032, 888368, 1332552, 1640064, 1776736, 2665104, 3553472, 5330208, 7106944, 10660416, 21320832]

約数ペア:

[(1, 21320832), (2, 10660416), (3, 7106944), (4, 5330208), (6, 3553472), (8, 2665104), (12, 1776736), (13, 1640064), (16, 1332552), (24, 888368), (26, 820032), (32, 666276), (39, 546688), (48, 444184), (52, 410016), (64, 333138), (78, 273344), (96, 222092), (104, 205008), (128, 166569), (156, 136672), (192, 111046), (208, 102504), (312, 68336), (384, 55523), (416, 51252), (624, 34168), (832, 25626), (1248, 17084), (1664, 12813), (2496, 8542), (4271, 4992)]