21954972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 59834880

約数和(自身を除く): 37879908

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 29, 39, 46, 52, 58, 69, 78, 87, 92, 116, 138, 156, 174, 211, 276, 299, 348, 377, 422, 598, 633, 667, 754, 844, 897, 1131, 1196, 1266, 1334, 1508, 1794, 2001, 2262, 2532, 2668, 2743, 3588, 4002, 4524, 4853, 5486, 6119, 8004, 8229, 8671, 9706, 10972, 12238, 14559, 16458, 17342, 18357, 19412, 24476, 26013, 29118, 32916, 34684, 36714, 52026, 58236, 63089, 73428, 79547, 104052, 126178, 140737, 159094, 189267, 238641, 252356, 281474, 318188, 378534, 422211, 477282, 562948, 757068, 844422, 954564, 1688844, 1829581, 3659162, 5488743, 7318324, 10977486, 21954972]

約数ペア:

[(1, 21954972), (2, 10977486), (3, 7318324), (4, 5488743), (6, 3659162), (12, 1829581), (13, 1688844), (23, 954564), (26, 844422), (29, 757068), (39, 562948), (46, 477282), (52, 422211), (58, 378534), (69, 318188), (78, 281474), (87, 252356), (92, 238641), (116, 189267), (138, 159094), (156, 140737), (174, 126178), (211, 104052), (276, 79547), (299, 73428), (348, 63089), (377, 58236), (422, 52026), (598, 36714), (633, 34684), (667, 32916), (754, 29118), (844, 26013), (897, 24476), (1131, 19412), (1196, 18357), (1266, 17342), (1334, 16458), (1508, 14559), (1794, 12238), (2001, 10972), (2262, 9706), (2532, 8671), (2668, 8229), (2743, 8004), (3588, 6119), (4002, 5486), (4524, 4853)]