21436324

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 26826716

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 49, 52, 91, 94, 98, 179, 182, 188, 196, 329, 358, 364, 611, 637, 658, 716, 1222, 1253, 1274, 1316, 2303, 2327, 2444, 2506, 2548, 4277, 4606, 4654, 5012, 8413, 8554, 8771, 9212, 9308, 16289, 16826, 17108, 17542, 29939, 32578, 33652, 35084, 58891, 59878, 65156, 109369, 114023, 117782, 119756, 218738, 228046, 235564, 412237, 437476, 456092, 765583, 824474, 1531166, 1648948, 3062332, 5359081, 10718162, 21436324]

約数ペア:

[(1, 21436324), (2, 10718162), (4, 5359081), (7, 3062332), (13, 1648948), (14, 1531166), (26, 824474), (28, 765583), (47, 456092), (49, 437476), (52, 412237), (91, 235564), (94, 228046), (98, 218738), (179, 119756), (182, 117782), (188, 114023), (196, 109369), (329, 65156), (358, 59878), (364, 58891), (611, 35084), (637, 33652), (658, 32578), (716, 29939), (1222, 17542), (1253, 17108), (1274, 16826), (1316, 16289), (2303, 9308), (2327, 9212), (2444, 8771), (2506, 8554), (2548, 8413), (4277, 5012), (4606, 4654)]