21961110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 56376000

約数和(自身を除く): 34414890

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 149, 170, 255, 289, 298, 447, 510, 578, 745, 867, 894, 1445, 1490, 1734, 2235, 2533, 2890, 4335, 4470, 4913, 5066, 7599, 8670, 9826, 12665, 14739, 15198, 24565, 25330, 29478, 37995, 43061, 49130, 73695, 75990, 86122, 129183, 147390, 215305, 258366, 430610, 645915, 732037, 1291830, 1464074, 2196111, 3660185, 4392222, 7320370, 10980555, 21961110]

約数ペア:

[(1, 21961110), (2, 10980555), (3, 7320370), (5, 4392222), (6, 3660185), (10, 2196111), (15, 1464074), (17, 1291830), (30, 732037), (34, 645915), (51, 430610), (85, 258366), (102, 215305), (149, 147390), (170, 129183), (255, 86122), (289, 75990), (298, 73695), (447, 49130), (510, 43061), (578, 37995), (745, 29478), (867, 25330), (894, 24565), (1445, 15198), (1490, 14739), (1734, 12665), (2235, 9826), (2533, 8670), (2890, 7599), (4335, 5066), (4470, 4913)]