21845460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4033

約数の個数: 96

約数和(自身を含む): 75301632

約数和(自身を除く): 53456172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 4001, 5460, 8002, 12003, 16004, 20005, 24006, 28007, 40010, 48012, 52013, 56014, 60015, 80020, 84021, 104026, 112028, 120030, 140035, 156039, 168042, 208052, 240060, 260065, 280070, 312078, 336084, 364091, 420105, 520130, 560140, 624156, 728182, 780195, 840210, 1040260, 1092273, 1456364, 1560390, 1680420, 1820455, 2184546, 3120780, 3640910, 4369092, 5461365, 7281820, 10922730, 21845460]

約数ペア:

[(1, 21845460), (2, 10922730), (3, 7281820), (4, 5461365), (5, 4369092), (6, 3640910), (7, 3120780), (10, 2184546), (12, 1820455), (13, 1680420), (14, 1560390), (15, 1456364), (20, 1092273), (21, 1040260), (26, 840210), (28, 780195), (30, 728182), (35, 624156), (39, 560140), (42, 520130), (52, 420105), (60, 364091), (65, 336084), (70, 312078), (78, 280070), (84, 260065), (91, 240060), (105, 208052), (130, 168042), (140, 156039), (156, 140035), (182, 120030), (195, 112028), (210, 104026), (260, 84021), (273, 80020), (364, 60015), (390, 56014), (420, 52013), (455, 48012), (546, 40010), (780, 28007), (910, 24006), (1092, 20005), (1365, 16004), (1820, 12003), (2730, 8002), (4001, 5460)]