21641596

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 19726724

約数列:

[1, 2, 4, 31, 37, 53, 62, 74, 89, 106, 124, 148, 178, 212, 356, 1147, 1643, 1961, 2294, 2759, 3286, 3293, 3922, 4588, 4717, 5518, 6572, 6586, 7844, 9434, 11036, 13172, 18868, 60791, 102083, 121582, 146227, 174529, 204166, 243164, 292454, 349058, 408332, 584908, 698116, 5410399, 10820798, 21641596]

約数ペア:

[(1, 21641596), (2, 10820798), (4, 5410399), (31, 698116), (37, 584908), (53, 408332), (62, 349058), (74, 292454), (89, 243164), (106, 204166), (124, 174529), (148, 146227), (178, 121582), (212, 102083), (356, 60791), (1147, 18868), (1643, 13172), (1961, 11036), (2294, 9434), (2759, 7844), (3286, 6586), (3293, 6572), (3922, 5518), (4588, 4717)]