2021721885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1063

約数の個数: 96

約数和(自身を含む): 3857817600

約数和(自身を除く): 1836095715

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 83, 93, 95, 155, 171, 249, 279, 285, 415, 465, 589, 747, 855, 919, 1245, 1395, 1577, 1767, 2573, 2757, 2945, 3735, 4595, 4731, 5301, 7719, 7885, 8271, 8835, 12865, 13785, 14193, 17461, 23157, 23655, 26505, 28489, 38595, 41355, 48887, 52383, 70965, 76277, 85467, 87305, 115785, 142445, 146661, 157149, 228831, 244435, 256401, 261915, 381385, 427335, 439983, 541291, 686493, 733305, 785745, 1144155, 1282005, 1449263, 1623873, 2199915, 2364587, 2706455, 3432465, 4347789, 4871619, 7093761, 7246315, 8119365, 11822935, 13043367, 21281283, 21738945, 24358095, 35468805, 44927153, 65216835, 106406415, 134781459, 224635765, 404344377, 673907295, 2021721885]

約数ペア:

[(1, 2021721885), (3, 673907295), (5, 404344377), (9, 224635765), (15, 134781459), (19, 106406415), (31, 65216835), (45, 44927153), (57, 35468805), (83, 24358095), (93, 21738945), (95, 21281283), (155, 13043367), (171, 11822935), (249, 8119365), (279, 7246315), (285, 7093761), (415, 4871619), (465, 4347789), (589, 3432465), (747, 2706455), (855, 2364587), (919, 2199915), (1245, 1623873), (1395, 1449263), (1577, 1282005), (1767, 1144155), (2573, 785745), (2757, 733305), (2945, 686493), (3735, 541291), (4595, 439983), (4731, 427335), (5301, 381385), (7719, 261915), (7885, 256401), (8271, 244435), (8835, 228831), (12865, 157149), (13785, 146661), (14193, 142445), (17461, 115785), (23157, 87305), (23655, 85467), (26505, 76277), (28489, 70965), (38595, 52383), (41355, 48887)]