21116844736

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{15373}}^1$

素因数の和:15538

約数の個数: 84

約数和(自身を含む): 45735313152

約数和(自身を除く): 24618468416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 169, 208, 254, 338, 416, 508, 676, 832, 1016, 1352, 1651, 2032, 2704, 3302, 4064, 5408, 6604, 8128, 10816, 13208, 15373, 21463, 26416, 30746, 42926, 52832, 61492, 85852, 105664, 122984, 171704, 199849, 245968, 343408, 399698, 491936, 686816, 799396, 983872, 1373632, 1598792, 1952371, 2598037, 3197584, 3904742, 5196074, 6395168, 7809484, 10392148, 12790336, 15618968, 20784296, 25380823, 31237936, 41568592, 50761646, 62475872, 83137184, 101523292, 124951744, 166274368, 203046584, 329950699, 406093168, 659901398, 812186336, 1319802796, 1624372672, 2639605592, 5279211184, 10558422368, 21116844736]

約数ペア:

[(1, 21116844736), (2, 10558422368), (4, 5279211184), (8, 2639605592), (13, 1624372672), (16, 1319802796), (26, 812186336), (32, 659901398), (52, 406093168), (64, 329950699), (104, 203046584), (127, 166274368), (169, 124951744), (208, 101523292), (254, 83137184), (338, 62475872), (416, 50761646), (508, 41568592), (676, 31237936), (832, 25380823), (1016, 20784296), (1352, 15618968), (1651, 12790336), (2032, 10392148), (2704, 7809484), (3302, 6395168), (4064, 5196074), (5408, 3904742), (6604, 3197584), (8128, 2598037), (10816, 1952371), (13208, 1598792), (15373, 1373632), (21463, 983872), (26416, 799396), (30746, 686816), (42926, 491936), (52832, 399698), (61492, 343408), (85852, 245968), (105664, 199849), (122984, 171704)]