21167279756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 45573212160

約数和(自身を除く): 24405932404

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 89, 124, 163, 164, 178, 217, 287, 326, 356, 434, 574, 623, 652, 868, 1141, 1148, 1246, 1271, 1681, 2282, 2492, 2542, 2759, 3362, 3649, 4564, 5053, 5084, 5518, 6683, 6724, 7298, 8897, 10106, 11036, 11767, 13366, 14507, 14596, 17794, 19313, 20212, 23534, 25543, 26732, 29014, 35371, 35588, 38626, 46781, 47068, 51086, 52111, 58028, 70742, 77252, 93562, 101549, 102172, 104222, 113119, 141484, 149609, 187124, 203098, 207173, 208444, 226238, 274003, 299218, 364777, 406196, 414346, 449717, 452476, 548006, 594787, 598436, 729554, 791833, 828692, 899434, 1047263, 1096012, 1189574, 1450211, 1459108, 1583666, 1798868, 1918021, 2094526, 2379148, 2900422, 3148019, 3167332, 3836042, 4163509, 4189052, 4637879, 5800844, 6296038, 7672084, 8327018, 8494093, 9275758, 12592076, 16654036, 16988186, 18438397, 18551516, 24386267, 32465153, 33976372, 36876794, 48772534, 59458651, 64930306, 73753588, 97545068, 118917302, 129068779, 129860612, 170703869, 237834604, 258137558, 341407738, 516275116, 682815476, 755974277, 1511948554, 3023897108, 5291819939, 10583639878, 21167279756]

約数ペア:

[(1, 21167279756), (2, 10583639878), (4, 5291819939), (7, 3023897108), (14, 1511948554), (28, 755974277), (31, 682815476), (41, 516275116), (62, 341407738), (82, 258137558), (89, 237834604), (124, 170703869), (163, 129860612), (164, 129068779), (178, 118917302), (217, 97545068), (287, 73753588), (326, 64930306), (356, 59458651), (434, 48772534), (574, 36876794), (623, 33976372), (652, 32465153), (868, 24386267), (1141, 18551516), (1148, 18438397), (1246, 16988186), (1271, 16654036), (1681, 12592076), (2282, 9275758), (2492, 8494093), (2542, 8327018), (2759, 7672084), (3362, 6296038), (3649, 5800844), (4564, 4637879), (5053, 4189052), (5084, 4163509), (5518, 3836042), (6683, 3167332), (6724, 3148019), (7298, 2900422), (8897, 2379148), (10106, 2094526), (11036, 1918021), (11767, 1798868), (13366, 1583666), (14507, 1459108), (14596, 1450211), (17794, 1189574), (19313, 1096012), (20212, 1047263), (23534, 899434), (25543, 828692), (26732, 791833), (29014, 729554), (35371, 598436), (35588, 594787), (38626, 548006), (46781, 452476), (47068, 449717), (51086, 414346), (52111, 406196), (58028, 364777), (70742, 299218), (77252, 274003), (93562, 226238), (101549, 208444), (102172, 207173), (104222, 203098), (113119, 187124), (141484, 149609)]