21458358

素因数分解:

$2^1\times 3^5\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 49008960

約数和(自身を除く): 27550602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 243, 402, 486, 603, 659, 1206, 1318, 1809, 1977, 3618, 3954, 5427, 5931, 10854, 11862, 16281, 17793, 32562, 35586, 44153, 53379, 88306, 106758, 132459, 160137, 264918, 320274, 397377, 794754, 1192131, 2384262, 3576393, 7152786, 10729179, 21458358]

約数ペア:

[(1, 21458358), (2, 10729179), (3, 7152786), (6, 3576393), (9, 2384262), (18, 1192131), (27, 794754), (54, 397377), (67, 320274), (81, 264918), (134, 160137), (162, 132459), (201, 106758), (243, 88306), (402, 53379), (486, 44153), (603, 35586), (659, 32562), (1206, 17793), (1318, 16281), (1809, 11862), (1977, 10854), (3618, 5931), (3954, 5427)]