21549421257

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1\times {\mathrm{7349}}^1$

素因数の和:7862

約数の個数: 64

約数和(自身を含む): 36984729600

約数和(自身を除く): 15435308343

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 467, 483, 897, 1401, 2093, 3269, 6071, 6279, 7349, 9807, 10741, 18213, 22047, 32223, 42497, 51443, 75187, 95537, 127491, 139633, 154329, 169027, 225561, 286611, 418899, 507081, 668759, 977431, 1183189, 2006277, 2197351, 2932293, 3431983, 3549567, 6592053, 10295949, 15381457, 24023881, 44615779, 46144371, 72071643, 78935609, 133847337, 236806827, 312310453, 552549263, 936931359, 1026162917, 1657647789, 3078488751, 7183140419, 21549421257]

約数ペア:

[(1, 21549421257), (3, 7183140419), (7, 3078488751), (13, 1657647789), (21, 1026162917), (23, 936931359), (39, 552549263), (69, 312310453), (91, 236806827), (161, 133847337), (273, 78935609), (299, 72071643), (467, 46144371), (483, 44615779), (897, 24023881), (1401, 15381457), (2093, 10295949), (3269, 6592053), (6071, 3549567), (6279, 3431983), (7349, 2932293), (9807, 2197351), (10741, 2006277), (18213, 1183189), (22047, 977431), (32223, 668759), (42497, 507081), (51443, 418899), (75187, 286611), (95537, 225561), (127491, 169027), (139633, 154329)]