21221670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 55388160

約数和(自身を除く): 34166490

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 285, 310, 465, 570, 589, 930, 1178, 1201, 1767, 2402, 2945, 3534, 3603, 5890, 6005, 7206, 8835, 12010, 17670, 18015, 22819, 36030, 37231, 45638, 68457, 74462, 111693, 114095, 136914, 186155, 223386, 228190, 342285, 372310, 558465, 684570, 707389, 1116930, 1414778, 2122167, 3536945, 4244334, 7073890, 10610835, 21221670]

約数ペア:

[(1, 21221670), (2, 10610835), (3, 7073890), (5, 4244334), (6, 3536945), (10, 2122167), (15, 1414778), (19, 1116930), (30, 707389), (31, 684570), (38, 558465), (57, 372310), (62, 342285), (93, 228190), (95, 223386), (114, 186155), (155, 136914), (186, 114095), (190, 111693), (285, 74462), (310, 68457), (465, 45638), (570, 37231), (589, 36030), (930, 22819), (1178, 18015), (1201, 17670), (1767, 12010), (2402, 8835), (2945, 7206), (3534, 6005), (3603, 5890)]