21402483830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{1619}}^1$

素因数の和:1918

約数の個数: 128

約数和(自身を含む): 48335616000

約数和(自身を除く): 26933132170

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 199, 365, 398, 455, 511, 730, 910, 949, 995, 1022, 1393, 1619, 1898, 1990, 2555, 2587, 2786, 3238, 4745, 5110, 5174, 6643, 6965, 8095, 9490, 11333, 12935, 13286, 13930, 14527, 16190, 18109, 21047, 22666, 25870, 29054, 33215, 36218, 42094, 56665, 66430, 72635, 90545, 101689, 105235, 113330, 118187, 145270, 147329, 181090, 188851, 203378, 210470, 236374, 294658, 322181, 377702, 508445, 590935, 644362, 736645, 827309, 944255, 1016890, 1181870, 1321957, 1473290, 1536431, 1610905, 1654618, 1888510, 2255267, 2643914, 3072862, 3221810, 4136545, 4188353, 4510534, 6609785, 7682155, 8273090, 8376706, 10755017, 11276335, 13219570, 15364310, 20941765, 21510034, 22552670, 23519213, 29318471, 41883530, 47038426, 53775085, 58636942, 107550170, 117596065, 146592355, 164634491, 235192130, 293184710, 305749769, 329268982, 611499538, 823172455, 1528748845, 1646344910, 2140248383, 3057497690, 4280496766, 10701241915, 21402483830]

約数ペア:

[(1, 21402483830), (2, 10701241915), (5, 4280496766), (7, 3057497690), (10, 2140248383), (13, 1646344910), (14, 1528748845), (26, 823172455), (35, 611499538), (65, 329268982), (70, 305749769), (73, 293184710), (91, 235192130), (130, 164634491), (146, 146592355), (182, 117596065), (199, 107550170), (365, 58636942), (398, 53775085), (455, 47038426), (511, 41883530), (730, 29318471), (910, 23519213), (949, 22552670), (995, 21510034), (1022, 20941765), (1393, 15364310), (1619, 13219570), (1898, 11276335), (1990, 10755017), (2555, 8376706), (2587, 8273090), (2786, 7682155), (3238, 6609785), (4745, 4510534), (5110, 4188353), (5174, 4136545), (6643, 3221810), (6965, 3072862), (8095, 2643914), (9490, 2255267), (11333, 1888510), (12935, 1654618), (13286, 1610905), (13930, 1536431), (14527, 1473290), (16190, 1321957), (18109, 1181870), (21047, 1016890), (22666, 944255), (25870, 827309), (29054, 736645), (33215, 644362), (36218, 590935), (42094, 508445), (56665, 377702), (66430, 322181), (72635, 294658), (90545, 236374), (101689, 210470), (105235, 203378), (113330, 188851), (118187, 181090), (145270, 147329)]