21232908

素因数分解:

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

素因数の和:196

約数の個数: 72

約数和(自身を含む): 56876400

約数和(自身を除く): 35643492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 89, 94, 108, 141, 178, 188, 267, 282, 356, 423, 534, 564, 801, 846, 1068, 1269, 1602, 1692, 2209, 2403, 2538, 3204, 4183, 4418, 4806, 5076, 6627, 8366, 8836, 9612, 12549, 13254, 16732, 19881, 25098, 26508, 37647, 39762, 50196, 59643, 75294, 79524, 112941, 119286, 150588, 196601, 225882, 238572, 393202, 451764, 589803, 786404, 1179606, 1769409, 2359212, 3538818, 5308227, 7077636, 10616454, 21232908]

約数ペア:

[(1, 21232908), (2, 10616454), (3, 7077636), (4, 5308227), (6, 3538818), (9, 2359212), (12, 1769409), (18, 1179606), (27, 786404), (36, 589803), (47, 451764), (54, 393202), (89, 238572), (94, 225882), (108, 196601), (141, 150588), (178, 119286), (188, 112941), (267, 79524), (282, 75294), (356, 59643), (423, 50196), (534, 39762), (564, 37647), (801, 26508), (846, 25098), (1068, 19881), (1269, 16732), (1602, 13254), (1692, 12549), (2209, 9612), (2403, 8836), (2538, 8366), (3204, 6627), (4183, 5076), (4418, 4806)]