21759516

素因数分解:

$2^2\times 3^4\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:536

約数の個数: 60

約数和(自身を含む): 57324960

約数和(自身を除く): 35565444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 239, 281, 324, 478, 562, 717, 843, 956, 1124, 1434, 1686, 2151, 2529, 2868, 3372, 4302, 5058, 6453, 7587, 8604, 10116, 12906, 15174, 19359, 22761, 25812, 30348, 38718, 45522, 67159, 77436, 91044, 134318, 201477, 268636, 402954, 604431, 805908, 1208862, 1813293, 2417724, 3626586, 5439879, 7253172, 10879758, 21759516]

約数ペア:

[(1, 21759516), (2, 10879758), (3, 7253172), (4, 5439879), (6, 3626586), (9, 2417724), (12, 1813293), (18, 1208862), (27, 805908), (36, 604431), (54, 402954), (81, 268636), (108, 201477), (162, 134318), (239, 91044), (281, 77436), (324, 67159), (478, 45522), (562, 38718), (717, 30348), (843, 25812), (956, 22761), (1124, 19359), (1434, 15174), (1686, 12906), (2151, 10116), (2529, 8604), (2868, 7587), (3372, 6453), (4302, 5058)]