21376416

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{5431}}^1$

素因数の和:5485

約数の個数: 48

約数和(自身を含む): 57492288

約数和(自身を除く): 36115872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 164, 246, 328, 492, 656, 984, 1312, 1968, 3936, 5431, 10862, 16293, 21724, 32586, 43448, 65172, 86896, 130344, 173792, 222671, 260688, 445342, 521376, 668013, 890684, 1336026, 1781368, 2672052, 3562736, 5344104, 7125472, 10688208, 21376416]

約数ペア:

[(1, 21376416), (2, 10688208), (3, 7125472), (4, 5344104), (6, 3562736), (8, 2672052), (12, 1781368), (16, 1336026), (24, 890684), (32, 668013), (41, 521376), (48, 445342), (82, 260688), (96, 222671), (123, 173792), (164, 130344), (246, 86896), (328, 65172), (492, 43448), (656, 32586), (984, 21724), (1312, 16293), (1968, 10862), (3936, 5431)]