21132516

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 29912604

約数列:

[1, 2, 3, 4, 6, 12, 47, 89, 94, 141, 178, 188, 267, 282, 356, 421, 534, 564, 842, 1068, 1263, 1684, 2526, 4183, 5052, 8366, 12549, 16732, 19787, 25098, 37469, 39574, 50196, 59361, 74938, 79148, 112407, 118722, 149876, 224814, 237444, 449628, 1761043, 3522086, 5283129, 7044172, 10566258, 21132516]

約数ペア:

[(1, 21132516), (2, 10566258), (3, 7044172), (4, 5283129), (6, 3522086), (12, 1761043), (47, 449628), (89, 237444), (94, 224814), (141, 149876), (178, 118722), (188, 112407), (267, 79148), (282, 74938), (356, 59361), (421, 50196), (534, 39574), (564, 37469), (842, 25098), (1068, 19787), (1263, 16732), (1684, 12549), (2526, 8366), (4183, 5052)]