21440100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 69370560

約数和(自身を除く): 47930460

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 73, 75, 89, 100, 110, 132, 146, 150, 165, 178, 219, 220, 267, 275, 292, 300, 330, 356, 365, 438, 445, 534, 550, 660, 730, 803, 825, 876, 890, 979, 1068, 1095, 1100, 1335, 1460, 1606, 1650, 1780, 1825, 1958, 2190, 2225, 2409, 2670, 2937, 3212, 3300, 3650, 3916, 4015, 4380, 4450, 4818, 4895, 5340, 5475, 5874, 6497, 6675, 7300, 8030, 8900, 9636, 9790, 10950, 11748, 12045, 12994, 13350, 14685, 16060, 19491, 19580, 20075, 21900, 24090, 24475, 25988, 26700, 29370, 32485, 38982, 40150, 48180, 48950, 58740, 60225, 64970, 71467, 73425, 77964, 80300, 97455, 97900, 120450, 129940, 142934, 146850, 162425, 194910, 214401, 240900, 285868, 293700, 324850, 357335, 389820, 428802, 487275, 649700, 714670, 857604, 974550, 1072005, 1429340, 1786675, 1949100, 2144010, 3573350, 4288020, 5360025, 7146700, 10720050, 21440100]

約数ペア:

[(1, 21440100), (2, 10720050), (3, 7146700), (4, 5360025), (5, 4288020), (6, 3573350), (10, 2144010), (11, 1949100), (12, 1786675), (15, 1429340), (20, 1072005), (22, 974550), (25, 857604), (30, 714670), (33, 649700), (44, 487275), (50, 428802), (55, 389820), (60, 357335), (66, 324850), (73, 293700), (75, 285868), (89, 240900), (100, 214401), (110, 194910), (132, 162425), (146, 146850), (150, 142934), (165, 129940), (178, 120450), (219, 97900), (220, 97455), (267, 80300), (275, 77964), (292, 73425), (300, 71467), (330, 64970), (356, 60225), (365, 58740), (438, 48950), (445, 48180), (534, 40150), (550, 38982), (660, 32485), (730, 29370), (803, 26700), (825, 25988), (876, 24475), (890, 24090), (979, 21900), (1068, 20075), (1095, 19580), (1100, 19491), (1335, 16060), (1460, 14685), (1606, 13350), (1650, 12994), (1780, 12045), (1825, 11748), (1958, 10950), (2190, 9790), (2225, 9636), (2409, 8900), (2670, 8030), (2937, 7300), (3212, 6675), (3300, 6497), (3650, 5874), (3916, 5475), (4015, 5340), (4380, 4895), (4450, 4818)]