21690252370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{12437}}^1$

素因数の和:12667

約数の個数: 64

約数和(自身を含む): 42018549120

約数和(自身を除く): 20328296750

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 137, 190, 274, 335, 670, 685, 1273, 1370, 2546, 2603, 5206, 6365, 9179, 12437, 12730, 13015, 18358, 24874, 26030, 45895, 62185, 91790, 124370, 174401, 236303, 348802, 472606, 833279, 872005, 1181515, 1666558, 1703869, 1744010, 2363030, 3407738, 4166395, 8332790, 8519345, 15832301, 17038690, 31664602, 32373511, 64747022, 79161505, 114159223, 158323010, 161867555, 228318446, 323735110, 570796115, 1141592230, 2169025237, 4338050474, 10845126185, 21690252370]

約数ペア:

[(1, 21690252370), (2, 10845126185), (5, 4338050474), (10, 2169025237), (19, 1141592230), (38, 570796115), (67, 323735110), (95, 228318446), (134, 161867555), (137, 158323010), (190, 114159223), (274, 79161505), (335, 64747022), (670, 32373511), (685, 31664602), (1273, 17038690), (1370, 15832301), (2546, 8519345), (2603, 8332790), (5206, 4166395), (6365, 3407738), (9179, 2363030), (12437, 1744010), (12730, 1703869), (13015, 1666558), (18358, 1181515), (24874, 872005), (26030, 833279), (45895, 472606), (62185, 348802), (91790, 236303), (124370, 174401)]