21077574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 51663360

約数和(自身を除く): 30585786

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 61, 114, 122, 133, 183, 266, 366, 399, 427, 433, 798, 854, 866, 1159, 1281, 1299, 2318, 2562, 2598, 3031, 3477, 6062, 6954, 8113, 8227, 9093, 16226, 16454, 18186, 24339, 24681, 26413, 48678, 49362, 52826, 57589, 79239, 115178, 158478, 172767, 184891, 345534, 369782, 501847, 554673, 1003694, 1109346, 1505541, 3011082, 3512929, 7025858, 10538787, 21077574]

約数ペア:

[(1, 21077574), (2, 10538787), (3, 7025858), (6, 3512929), (7, 3011082), (14, 1505541), (19, 1109346), (21, 1003694), (38, 554673), (42, 501847), (57, 369782), (61, 345534), (114, 184891), (122, 172767), (133, 158478), (183, 115178), (266, 79239), (366, 57589), (399, 52826), (427, 49362), (433, 48678), (798, 26413), (854, 24681), (866, 24339), (1159, 18186), (1281, 16454), (1299, 16226), (2318, 9093), (2562, 8227), (2598, 8113), (3031, 6954), (3477, 6062)]