21549780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5701}}^1$

素因数の和:5726

約数の個数: 96

約数和(自身を含む): 76634880

約数和(自身を除く): 55085100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5701, 11402, 17103, 22804, 28505, 34206, 39907, 51309, 57010, 68412, 79814, 85515, 102618, 114020, 119721, 153927, 159628, 171030, 199535, 205236, 239442, 256545, 307854, 342060, 359163, 399070, 478884, 513090, 598605, 615708, 718326, 769635, 798140, 1026180, 1077489, 1197210, 1436652, 1539270, 1795815, 2154978, 2394420, 3078540, 3591630, 4309956, 5387445, 7183260, 10774890, 21549780]

約数ペア:

[(1, 21549780), (2, 10774890), (3, 7183260), (4, 5387445), (5, 4309956), (6, 3591630), (7, 3078540), (9, 2394420), (10, 2154978), (12, 1795815), (14, 1539270), (15, 1436652), (18, 1197210), (20, 1077489), (21, 1026180), (27, 798140), (28, 769635), (30, 718326), (35, 615708), (36, 598605), (42, 513090), (45, 478884), (54, 399070), (60, 359163), (63, 342060), (70, 307854), (84, 256545), (90, 239442), (105, 205236), (108, 199535), (126, 171030), (135, 159628), (140, 153927), (180, 119721), (189, 114020), (210, 102618), (252, 85515), (270, 79814), (315, 68412), (378, 57010), (420, 51309), (540, 39907), (630, 34206), (756, 28505), (945, 22804), (1260, 17103), (1890, 11402), (3780, 5701)]