21244470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 59996160

約数和(自身を除く): 38751690

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 47, 57, 61, 65, 78, 94, 95, 114, 122, 130, 141, 183, 190, 195, 235, 247, 282, 285, 305, 366, 390, 470, 494, 570, 610, 611, 705, 741, 793, 893, 915, 1159, 1222, 1235, 1410, 1482, 1586, 1786, 1830, 1833, 2318, 2379, 2470, 2679, 2867, 3055, 3477, 3666, 3705, 3965, 4465, 4758, 5358, 5734, 5795, 6110, 6954, 7410, 7930, 8601, 8930, 9165, 11590, 11609, 11895, 13395, 14335, 15067, 17202, 17385, 18330, 23218, 23790, 26790, 28670, 30134, 34770, 34827, 37271, 43005, 45201, 54473, 58045, 69654, 74542, 75335, 86010, 90402, 108946, 111813, 116090, 150670, 163419, 174135, 186355, 223626, 226005, 272365, 326838, 348270, 372710, 452010, 544730, 559065, 708149, 817095, 1118130, 1416298, 1634190, 2124447, 3540745, 4248894, 7081490, 10622235, 21244470]

約数ペア:

[(1, 21244470), (2, 10622235), (3, 7081490), (5, 4248894), (6, 3540745), (10, 2124447), (13, 1634190), (15, 1416298), (19, 1118130), (26, 817095), (30, 708149), (38, 559065), (39, 544730), (47, 452010), (57, 372710), (61, 348270), (65, 326838), (78, 272365), (94, 226005), (95, 223626), (114, 186355), (122, 174135), (130, 163419), (141, 150670), (183, 116090), (190, 111813), (195, 108946), (235, 90402), (247, 86010), (282, 75335), (285, 74542), (305, 69654), (366, 58045), (390, 54473), (470, 45201), (494, 43005), (570, 37271), (610, 34827), (611, 34770), (705, 30134), (741, 28670), (793, 26790), (893, 23790), (915, 23218), (1159, 18330), (1222, 17385), (1235, 17202), (1410, 15067), (1482, 14335), (1586, 13395), (1786, 11895), (1830, 11609), (1833, 11590), (2318, 9165), (2379, 8930), (2470, 8601), (2679, 7930), (2867, 7410), (3055, 6954), (3477, 6110), (3666, 5795), (3705, 5734), (3965, 5358), (4465, 4758)]