21290304

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 168

約数和(自身を含む): 68567808

約数和(自身を除く): 47277504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 73, 84, 93, 96, 98, 112, 124, 146, 147, 168, 186, 192, 196, 217, 219, 224, 248, 292, 294, 336, 372, 392, 434, 438, 448, 496, 511, 584, 588, 651, 672, 744, 784, 868, 876, 992, 1022, 1168, 1176, 1302, 1344, 1488, 1519, 1533, 1568, 1736, 1752, 1984, 2044, 2263, 2336, 2352, 2604, 2976, 3038, 3066, 3136, 3472, 3504, 3577, 4088, 4526, 4557, 4672, 4704, 5208, 5952, 6076, 6132, 6789, 6944, 7008, 7154, 8176, 9052, 9114, 9408, 10416, 10731, 12152, 12264, 13578, 13888, 14016, 14308, 15841, 16352, 18104, 18228, 20832, 21462, 24304, 24528, 27156, 28616, 31682, 32704, 36208, 36456, 41664, 42924, 47523, 48608, 49056, 54312, 57232, 63364, 72416, 72912, 85848, 95046, 97216, 98112, 108624, 110887, 114464, 126728, 144832, 145824, 171696, 190092, 217248, 221774, 228928, 253456, 291648, 332661, 343392, 380184, 434496, 443548, 506912, 665322, 686784, 760368, 887096, 1013824, 1330644, 1520736, 1774192, 2661288, 3041472, 3548384, 5322576, 7096768, 10645152, 21290304]

約数ペア:

[(1, 21290304), (2, 10645152), (3, 7096768), (4, 5322576), (6, 3548384), (7, 3041472), (8, 2661288), (12, 1774192), (14, 1520736), (16, 1330644), (21, 1013824), (24, 887096), (28, 760368), (31, 686784), (32, 665322), (42, 506912), (48, 443548), (49, 434496), (56, 380184), (62, 343392), (64, 332661), (73, 291648), (84, 253456), (93, 228928), (96, 221774), (98, 217248), (112, 190092), (124, 171696), (146, 145824), (147, 144832), (168, 126728), (186, 114464), (192, 110887), (196, 108624), (217, 98112), (219, 97216), (224, 95046), (248, 85848), (292, 72912), (294, 72416), (336, 63364), (372, 57232), (392, 54312), (434, 49056), (438, 48608), (448, 47523), (496, 42924), (511, 41664), (584, 36456), (588, 36208), (651, 32704), (672, 31682), (744, 28616), (784, 27156), (868, 24528), (876, 24304), (992, 21462), (1022, 20832), (1168, 18228), (1176, 18104), (1302, 16352), (1344, 15841), (1488, 14308), (1519, 14016), (1533, 13888), (1568, 13578), (1736, 12264), (1752, 12152), (1984, 10731), (2044, 10416), (2263, 9408), (2336, 9114), (2352, 9052), (2604, 8176), (2976, 7154), (3038, 7008), (3066, 6944), (3136, 6789), (3472, 6132), (3504, 6076), (3577, 5952), (4088, 5208), (4526, 4704), (4557, 4672)]