21842150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 44782848

約数和(自身を除く): 22940698

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 151, 263, 275, 302, 526, 550, 755, 1315, 1510, 1661, 2630, 2893, 3322, 3775, 5786, 6575, 7550, 8305, 13150, 14465, 16610, 28930, 39713, 41525, 72325, 79426, 83050, 144650, 198565, 397130, 436843, 873686, 992825, 1985650, 2184215, 4368430, 10921075, 21842150]

約数ペア:

[(1, 21842150), (2, 10921075), (5, 4368430), (10, 2184215), (11, 1985650), (22, 992825), (25, 873686), (50, 436843), (55, 397130), (110, 198565), (151, 144650), (263, 83050), (275, 79426), (302, 72325), (526, 41525), (550, 39713), (755, 28930), (1315, 16610), (1510, 14465), (1661, 13150), (2630, 8305), (2893, 7550), (3322, 6575), (3775, 5786)]