21450872380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{12119}}^1$

素因数の和:12451

約数の個数: 96

約数和(自身を含む): 52777267200

約数和(自身を除く): 31326394820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 269, 329, 470, 538, 658, 940, 1076, 1316, 1345, 1645, 1883, 2690, 3290, 3766, 5380, 6580, 7532, 9415, 12119, 12643, 18830, 24238, 25286, 37660, 48476, 50572, 60595, 63215, 84833, 88501, 121190, 126430, 169666, 177002, 242380, 252860, 339332, 354004, 424165, 442505, 569593, 848330, 885010, 1139186, 1696660, 1770020, 2278372, 2847965, 3260011, 3987151, 5695930, 6520022, 7974302, 11391860, 13040044, 15948604, 16300055, 19935755, 22820077, 32600110, 39871510, 45640154, 65200220, 79743020, 91280308, 114100385, 153220517, 228200770, 306441034, 456401540, 612882068, 766102585, 1072543619, 1532205170, 2145087238, 3064410340, 4290174476, 5362718095, 10725436190, 21450872380]

約数ペア:

[(1, 21450872380), (2, 10725436190), (4, 5362718095), (5, 4290174476), (7, 3064410340), (10, 2145087238), (14, 1532205170), (20, 1072543619), (28, 766102585), (35, 612882068), (47, 456401540), (70, 306441034), (94, 228200770), (140, 153220517), (188, 114100385), (235, 91280308), (269, 79743020), (329, 65200220), (470, 45640154), (538, 39871510), (658, 32600110), (940, 22820077), (1076, 19935755), (1316, 16300055), (1345, 15948604), (1645, 13040044), (1883, 11391860), (2690, 7974302), (3290, 6520022), (3766, 5695930), (5380, 3987151), (6580, 3260011), (7532, 2847965), (9415, 2278372), (12119, 1770020), (12643, 1696660), (18830, 1139186), (24238, 885010), (25286, 848330), (37660, 569593), (48476, 442505), (50572, 424165), (60595, 354004), (63215, 339332), (84833, 252860), (88501, 242380), (121190, 177002), (126430, 169666)]