2021159530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1\times {\mathrm{661}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 4022460288

約数和(自身を除く): 2001300758

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 547, 559, 661, 1094, 1118, 1322, 2735, 2795, 3305, 5470, 5590, 6610, 7111, 8593, 14222, 17186, 23521, 28423, 35555, 42965, 47042, 56846, 71110, 85930, 117605, 142115, 235210, 284230, 305773, 361567, 369499, 611546, 723134, 738998, 1528865, 1807835, 1847495, 3057730, 3615670, 3694990, 4700371, 9400742, 15547381, 23501855, 31094762, 47003710, 77736905, 155473810, 202115953, 404231906, 1010579765, 2021159530]

約数ペア:

[(1, 2021159530), (2, 1010579765), (5, 404231906), (10, 202115953), (13, 155473810), (26, 77736905), (43, 47003710), (65, 31094762), (86, 23501855), (130, 15547381), (215, 9400742), (430, 4700371), (547, 3694990), (559, 3615670), (661, 3057730), (1094, 1847495), (1118, 1807835), (1322, 1528865), (2735, 738998), (2795, 723134), (3305, 611546), (5470, 369499), (5590, 361567), (6610, 305773), (7111, 284230), (8593, 235210), (14222, 142115), (17186, 117605), (23521, 85930), (28423, 71110), (35555, 56846), (42965, 47042)]