21097950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3271}}^1$

素因数の和:3329

約数の個数: 48

約数和(自身を含む): 53556096

約数和(自身を除く): 32458146

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3225, 3271, 6450, 6542, 9813, 16355, 19626, 32710, 49065, 81775, 98130, 140653, 163550, 245325, 281306, 421959, 490650, 703265, 843918, 1406530, 2109795, 3516325, 4219590, 7032650, 10548975, 21097950]

約数ペア:

[(1, 21097950), (2, 10548975), (3, 7032650), (5, 4219590), (6, 3516325), (10, 2109795), (15, 1406530), (25, 843918), (30, 703265), (43, 490650), (50, 421959), (75, 281306), (86, 245325), (129, 163550), (150, 140653), (215, 98130), (258, 81775), (430, 49065), (645, 32710), (1075, 19626), (1290, 16355), (2150, 9813), (3225, 6542), (3271, 6450)]