21875460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 66662400

約数和(自身を除く): 44786940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 619, 620, 930, 1140, 1178, 1238, 1767, 1857, 1860, 2356, 2476, 2945, 3095, 3534, 3714, 5890, 6190, 7068, 7428, 8835, 9285, 11761, 11780, 12380, 17670, 18570, 19189, 23522, 35283, 35340, 37140, 38378, 47044, 57567, 58805, 70566, 76756, 95945, 115134, 117610, 141132, 176415, 191890, 230268, 235220, 287835, 352830, 364591, 383780, 575670, 705660, 729182, 1093773, 1151340, 1458364, 1822955, 2187546, 3645910, 4375092, 5468865, 7291820, 10937730, 21875460]

約数ペア:

[(1, 21875460), (2, 10937730), (3, 7291820), (4, 5468865), (5, 4375092), (6, 3645910), (10, 2187546), (12, 1822955), (15, 1458364), (19, 1151340), (20, 1093773), (30, 729182), (31, 705660), (38, 575670), (57, 383780), (60, 364591), (62, 352830), (76, 287835), (93, 235220), (95, 230268), (114, 191890), (124, 176415), (155, 141132), (186, 117610), (190, 115134), (228, 95945), (285, 76756), (310, 70566), (372, 58805), (380, 57567), (465, 47044), (570, 38378), (589, 37140), (619, 35340), (620, 35283), (930, 23522), (1140, 19189), (1178, 18570), (1238, 17670), (1767, 12380), (1857, 11780), (1860, 11761), (2356, 9285), (2476, 8835), (2945, 7428), (3095, 7068), (3534, 6190), (3714, 5890)]