21965280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1$

素因数の和:768

約数の個数: 96

約数和(自身を含む): 70326144

約数和(自身を除く): 48360864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 67, 80, 96, 120, 134, 160, 201, 240, 268, 335, 402, 480, 536, 670, 683, 804, 1005, 1072, 1340, 1366, 1608, 2010, 2049, 2144, 2680, 2732, 3216, 3415, 4020, 4098, 5360, 5464, 6432, 6830, 8040, 8196, 10245, 10720, 10928, 13660, 16080, 16392, 20490, 21856, 27320, 32160, 32784, 40980, 45761, 54640, 65568, 81960, 91522, 109280, 137283, 163920, 183044, 228805, 274566, 327840, 366088, 457610, 549132, 686415, 732176, 915220, 1098264, 1372830, 1464352, 1830440, 2196528, 2745660, 3660880, 4393056, 5491320, 7321760, 10982640, 21965280]

約数ペア:

[(1, 21965280), (2, 10982640), (3, 7321760), (4, 5491320), (5, 4393056), (6, 3660880), (8, 2745660), (10, 2196528), (12, 1830440), (15, 1464352), (16, 1372830), (20, 1098264), (24, 915220), (30, 732176), (32, 686415), (40, 549132), (48, 457610), (60, 366088), (67, 327840), (80, 274566), (96, 228805), (120, 183044), (134, 163920), (160, 137283), (201, 109280), (240, 91522), (268, 81960), (335, 65568), (402, 54640), (480, 45761), (536, 40980), (670, 32784), (683, 32160), (804, 27320), (1005, 21856), (1072, 20490), (1340, 16392), (1366, 16080), (1608, 13660), (2010, 10928), (2049, 10720), (2144, 10245), (2680, 8196), (2732, 8040), (3216, 6830), (3415, 6432), (4020, 5464), (4098, 5360)]